{"title":"Wiseman Left Hand Taps","description":"\u003cp\u003eWiseman HSS left hand taps for left hand metric threads: taper, second and bottom lead, spiral flute and spiral point, coarse and fine pitch.\u003c\/p\u003e\u003cp\u003eAll held in UK stock. Order before 4.30pm for same-day dispatch, or call our technical team on 01732 887334 for help choosing.\u003c\/p\u003e","products":[{"product_id":"t10155lh2p","title":"Wiseman Threading Tools Bottom Lead Metric HSS Tap Left Hand - M2x0.4","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/wiseman.png?v=1657700949\"\u003e\u003c\/p\u003e \u003cp\u003eThe Wiseman Threading Tools Bottom Lead Metric HSS Tap Left Hand - M2x0.4 is a compact, high-precision threading solution designed for micro-machining and delicate assemblies. Crafted from high-speed steel and ground for accuracy, this uncoated tap delivers reliable, general-purpose cutting that adheres to ISO 529 dimensions. The left-hand thread variant is ideal for projects that require a reverse-thread fit or special installation sequences.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eLeft-hand thread\u003c\/strong\u003e: engineered for reverse-thread applications and components that require a left-handed fastener.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBottom lead geometry\u003c\/strong\u003e: optimized entry into holes, reduces chatter, and promotes consistent first cuts in tight or blind locations.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eM2x0.4 size\u003c\/strong\u003e: perfect for miniature components, electronics, hobbyist builds, and fine mechanical assemblies.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eUncoated HSS\u003c\/strong\u003e: offers dependable performance across a range of softer to medium-strength materials with straightforward chip clearance.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eISO 529 compliant\u003c\/strong\u003e: the standard dimensions ensure compatibility with common drilling and tapping setups, making replacement or pairing with other tools straightforward.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eGeneral-purpose reliability\u003c\/strong\u003e: a versatile, cost-effective tap that delivers clean threads without relying on coatings that can wear off in light-duty use.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eThis tap excels in precision tasks where small-diameter threads matter—think micro-machined housings, instrument enclosures, watchmaking components, and compact robotics. If you’re selecting threading tools for tight tolerances and consistent thread quality in M2x0.4, this Wiseman tap provides a dependable baseline that you can trust project after project.\u003c\/p\u003e \u003col\u003e \u003cli\u003eSecure the tap in a tap wrench or appropriate handle, ensuring it is perpendicular to the workpiece.\u003c\/li\u003e \u003cli\u003eUse a compatible tapping fluid or light cutting oil to reduce friction and extend tool life.\u003c\/li\u003e \u003cli\u003eAlign carefully and begin with gentle turns to establish the thread, then advance steadily while monitoring chip formation.\u003c\/li\u003e \u003cli\u003eWhen you reach the drilled depth, back off to clear chips and prevent binding, then complete the thread to the required depth.\u003c\/li\u003e \u003cli\u003eInspect the finished threads for pitch consistency and seating accuracy, making minor corrections if needed.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003c\/div\u003e","brand":"Wiseman","offers":[{"title":"Default Title","offer_id":40277204828238,"sku":"T10155LH2P","price":18.11,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/t10155lh2p_45818dae-e0c6-481d-b695-fc8cafb4ea30.png?v=1693995743"},{"product_id":"t10405lh2p","title":"Wiseman Threading Tools Bottom Lead Metric HSS Tap Left Hand - M2.5x0.45","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/wiseman.png?v=1657700949\"\u003e\u003c\/p\u003e\n\u003cp\u003eThe Wiseman Threading Tools Bottom Lead Metric HSS Tap Left Hand - M2.5x0.45 is a precision-cutting tool designed for reliable, clean left-hand threads in small-diameter holes. Crafted from high-speed steel and ground to a fine finish, this tap delivers consistent thread forms even in tight spaces, making it a dependable choice for both repairs and new work in metalworking projects.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eLeft-hand thread, M2.5x0.45\u003c\/strong\u003e — create reverse threads that resist loosening in vibration-prone assemblies or reverse-torque applications.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBottom lead design\u003c\/strong\u003e — optimized for easy starting and improved alignment, especially in through-holes or shallow depths, helping to prevent cross-threading and reduce chatter.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHSS ground, uncoated\u003c\/strong\u003e — delivers a sharp cutting edge for precision threading with durable performance and straightforward chip control in general purpose use.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eISO 529 dimensions\u003c\/strong\u003e — ensures compatibility and interchangeability with other standard taps, so you can trust consistent results across your toolkit.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompact, versatile tool\u003c\/strong\u003e — ideal for electronics enclosures, small brackets, and automotive or DIY projects where reverse threads are required or preferred for safety against loosening.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eHow it helps you work smarter: when you need a secure, counter-movement thread, this left-hand tap provides predictable cutting action and quality finishes in delicate or tight-fit components. The M2.5x0.45 size is a common choice for small fasteners and tight assemblies, offering dependable performance without complex setup.\u003c\/p\u003e \u003cp\u003ePractical tips for best results: use a light touch and steady hand to begin the thread, apply a compatible cutting fluid to reduce heat, and back off the tap after a few turns to break the chips and prevent binding. Align the tap with the hole to maintain straight, true threads and prolong cutting edge life.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Wiseman","offers":[{"title":"Default Title","offer_id":40277204861006,"sku":"T10405LH2P","price":17.92,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/t10155lh2p_ac8723c7-3a58-4068-9dce-5fdd495ed43f.png?v=1693995746"},{"product_id":"t10555lh2p","title":"Wiseman Threading Tools Bottom Lead Metric HSS Tap Left Hand - M3x0.5","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the Wiseman Threading Tools Bottom Lead Metric HSS Tap Left Hand - M3x0.5, a precision-ground high-speed steel tap designed for clean, accurate metric left-hand threads. This uncoated tap is built to deliver dependable performance in a range of materials, with ISO 529 dimensions ensuring consistent sizing and compatibility across standard projects.\u003c\/p\u003e \u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/wiseman.png?v=1657700949\"\u003e\u003c\/p\u003e \u003ch3\u003eWhy this left-hand HSS tap stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\u003cstrongleft-hand threading\u003e: Creates threads that tighten in the opposite direction, ideal for components that resist loosening under vibration or reverse loads.\u003c\/strongleft-hand\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrongbottom lead design\u003e: Facilitates smoother entry and progression of threads, reducing chatter and enabling reliable tapping in blind holes or tight workpieces.\u003c\/strongbottom\u003e\u003c\/li\u003e \u003cli\u003e\u003cstronghigh-speed steel ground finish\u003e: A sharp, dense cutting edge that maintains precision through multiple cuts, delivering consistent thread depth and finish.\u003c\/stronghigh-speed\u003e\u003c\/li\u003e \u003cli\u003e\u003cstronguncoated general purpose\u003e: The bare finish minimizes built-up friction in many materials and allows for easy inspection of chip formation during cutting.\u003c\/stronguncoated\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrongiso dimensions\u003e: Ensures standard-tolerance sizing for reliable mating with corresponding nuts, fittings, and hardware in M3x0.5 threads.\u003c\/strongiso\u003e\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal applications and real-world use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eRepairing or creating left-hand threads in small fasteners, fixtures, or assemblies where reverse torque is required for safety or operational reasons.\u003c\/li\u003e \u003cli\u003ePrecision mechanical builds, electronics enclosures, or automotive components where space is tight and thread integrity is critical.\u003c\/li\u003e \u003cli\u003ePrototype work or hobbyist projects where consistent metric thread quality is essential for reliable fastener engagement.\u003c\/li\u003e \u003cli\u003eAny project needing a compact, durable left-hand tapping solution without a coated finish that could interfere with chip evacuation in soft metals.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eTips for optimal performance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eUse steady, even pressure and avoid forcing the tap to prevent thread deformation.\u003c\/li\u003e \u003cli\u003eApply light cutting fluid or tapping oil when working with steel to enhance surface finish and reduce heat buildup.\u003c\/li\u003e \u003cli\u003eDeburr and chamfer the hole entrance before tapping to help guide the tap and extend tool life.\u003c\/li\u003e \u003cli\u003eMaintain a clean work area and remove chips frequently to prevent binding and ensure consistent thread depth.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWith its robust design and thoughtful bottom-lead geometry, the Wiseman M3x0.5 Left-Hand HSS Tap is a reliable choice for machinists and hobbyists who demand precision, durability, and predictable results in metric left-hand threading tasks.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Wiseman","offers":[{"title":"Default Title","offer_id":40277204893774,"sku":"T10555LH2P","price":11.41,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/t10155lh2p_ccada09d-a6cd-4703-aedc-e8ceae02706f.png?v=1693995749"},{"product_id":"t10755lh2p","title":"Wiseman Threading Tools Bottom Lead Metric HSS Tap Left Hand - M3.5x0.6","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/wiseman.png?v=1657700949\"\u003e\u003c\/p\u003e \u003ch2\u003eWiseman Bottom Lead Metric HSS Tap – Left Hand, M3.5x0.6\u003c\/h2\u003e\n\u003cp\u003eDesigned for precise metric threading in metalworking applications, this Wiseman HSS tap cuts left-hand threads with a bottom-lead profile to deliver clean, deep engagement in through-holes. With ISO 529-compliant dimensions, it’s a reliable tool for projects that require reverse-threaded fasteners and robust performance in a compact size.\u003c\/p\u003e \u003ch3\u003eKey features that matter in real-world work\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eLeft-hand thread\u003c\/strong\u003e: a reverse-threaded tap engineered to cut threads that tighten in the opposite direction, ideal for assemblies that must resist loosening from rotation or vibration.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eM3.5 x 0.6 pitch\u003c\/strong\u003e: a precise metric size with a 0.6 mm thread pitch, matching standard nuts and fittings designed for this specification.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBottom lead design\u003c\/strong\u003e: a bottoming-style profile that enables full-depth threading in through-holes, reducing the number of passes and improving thread integrity on each cut.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHigh-speed steel, ground\u003c\/strong\u003e: sharp, consistent cutting edges that hold their shape under use, producing accurate thread forms with minimal wandering.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eUncoated\u003c\/strong\u003e: a versatile surface finish that works well with a variety of cutting fluids and materials, from mild steels to non-ferrous alloys.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eISO 529 compliant\u003c\/strong\u003e: standardized dimensions ensure compatibility with widely used metric taps and fittings, helping you avoid mismatches in critical projects.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhere this tap shines\u003c\/h3\u003e\n\u003cp\u003eIdeal for medical devices, automotive components, and mechanical assemblies where reverse-threaded fasteners are specified to prevent loosening under dynamic loads. The combination of a bottom lead and left-hand threading makes it particularly effective for finishing through-holes in thin-walled components or when repairing\/replacing a left-hand threaded section.\u003c\/p\u003e \u003ch3\u003ePractical usage guidance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003ePair with a snug-tolerance tap wrench and a drill bit sized for M3.5 x 0.6 threads. Use a light lubricant or tapping fluid to minimize friction and heat buildup.\u003c\/li\u003e \u003cli\u003eAdvance using the reverse direction required for left-hand threads. Maintain steady pressure and avoid forcing the tap to prevent cross-threading and breakage.\u003c\/li\u003e \u003cli\u003ePeriodically back off to clear chips and ensure smooth cutting action. For through-holes, keep the workpiece well-supported to avoid deflection.\u003c\/li\u003e \u003cli\u003eInspect the formed thread after tapping: check for uniform ridges and full-thread engagement. A clean, smooth thread improves nut seating and load transfer.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWho benefits from this tool\u003c\/h3\u003e\n\u003cp\u003eDIY enthusiasts and professional machinists working with metric hardware that uses left-hand threads will appreciate the reliability and precision of this Wiseman tap. It’s a practical addition to any metalworking kit when you need a dedicated tool to create or repair reverse-threaded connections with confidence.\u003c\/p\u003e \u003ch3\u003eCompared to generic taps\u003c\/h3\u003e\n\u003cp\u003eThe Wiseman design emphasizes precise threading, durability, and compatibility with ISO 529 standards. The bottom-lead profile helps achieve complete thread depth in fewer passes, which translates to faster setups and cleaner results than many standard right-hand taps used in similar sizes. The left-hand configuration makes it a specialized solution for applications where reverse-threaded fasteners are required, offering a clear advantage over non-specific tools in the same size range.\u003c\/p\u003e \u003cp\u003eTip: Store with the protective end cap or in a dedicated drill-tap set to maintain sharp cutting edges and extend tool life. When you need dependable metric left-hand threading in an essential size, this Wiseman tap is designed to deliver consistent results, hole after hole.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Wiseman","offers":[{"title":"Default Title","offer_id":40277204926542,"sku":"T10755LH2P","price":12.65,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/t10155lh2p_e5acff12-ad31-4c68-a9c0-6d26aad4ab61.png?v=1693995753"},{"product_id":"t10855lh2p","title":"Wiseman Threading Tools Bottom Lead Metric HSS Tap Left Hand - M4x0.7","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/wiseman.png?v=1657700949\" alt=\"Wiseman Threading Tools Bottom Lead Metric HSS Tap Left Hand - M4x0.7\"\u003e\u003c\/p\u003e \u003cp\u003eThe Wiseman Threading Tools Bottom Lead Metric HSS Tap Left Hand - M4x0.7 is a precision-ground, uncoated high-speed steel thread tap designed for reliable left‑hand threading in metric sizes. Built to ISO 529 dimensions, this tool delivers consistent pitch and accurate thread depth, making it a dependable choice for both professional workshops and serious DIY projects.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eLeft-hand thread\u003c\/strong\u003e: creates reverse-direction threads, ideal for assemblies where the fastener must tighten in the opposite direction or resist vibration-induced loosening.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBottom lead (bottoming) profile\u003c\/strong\u003e: engages the full thread length, enabling deep, complete engagement in blind holes or when a full-depth left-hand thread is required.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMetric size M4x0.7\u003c\/strong\u003e: conforms to ISO 529 standards for a precise, compatible thread history with standard metric screws and components.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHSS, uncoated\u003c\/strong\u003e: delivers robust wear resistance and predictable cutting action across a range of common metals, with no coating to peel or chip under normal tapping conditions.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eGround flutes\u003c\/strong\u003e: precision-ground geometry improves cutting efficiency, reduces chatter, and promotes clean chip removal for smoother threading.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eUse cases and ideal applications\u003c\/p\u003e \u003cul\u003e \u003cli\u003eFabrication tasks requiring a left-handed M4 thread, such as mounting fixtures, brackets, or housings where reverse threading is necessary for secure, vibration-resistant assemblies.\u003c\/li\u003e \u003cli\u003eRepairs or retrofits in small-machining projects, electronics enclosures, or mechanical assemblies that need a reliable, full-depth left-hand thread.\u003c\/li\u003e \u003cli\u003eWorking in through-holes or blind holes where a bottoming tap ensures threaded engagement to the bottom of the hole.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eHow to get the best results\u003c\/p\u003e \u003col\u003e \u003cli\u003eDrill the appropriate pilot or root hole size according to ISO 529 for M4x0.7 left-hand threads.\u003c\/li\u003e \u003cli\u003eSecure the tap in a proper tap wrench or machine tap holder. Apply a suitable cutting fluid or oil to reduce friction and extend tool life.\u003c\/li\u003e \u003cli\u003eBegin turning counterclockwise to cut the left-hand thread, maintaining steady pressure and clean chip clearance as you advance.\u003c\/li\u003e \u003cli\u003eAdvance to the required depth, then back off gradually to break the chip and complete the thread without binding.\u003c\/li\u003e\n\u003c\/ol\u003e \u003cp\u003eWhy choose this Wiseman tap\u003c\/p\u003e \u003cul\u003e \u003cli\u003eReliable, general-purpose performance for metric left-hand threading where reverse-thread engagement is essential.\u003c\/li\u003e \u003cli\u003eISO 529 compliant dimensions ensure compatibility with standard M4 fasteners and components.\u003c\/li\u003e \u003cli\u003ePrecision ground, uncoated HSS offers durability and predictable cutting behavior across common metals.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhat you get\u003c\/p\u003e \u003cul\u003e \u003cli\u003e1 x Wiseman Threading Tools Bottom Lead Metric HSS Tap Left Hand - M4x0.7\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eTip for best results: store this tap in a dry, protected environment and use proper lubrication on every cut to maintain edge geometry and extend tool life. This tap is crafted for accuracy, durability, and dependable left-hand threading in metric applications—perfect for users who value precision in every threaded connection.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Wiseman","offers":[{"title":"Default Title","offer_id":40277204959310,"sku":"T10855LH2P","price":9.66,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/t10155lh2p_1121a13c-0c85-4e72-b62f-7a082ceaf77f.png?v=1693995756"},{"product_id":"t11005lh2p","title":"Wiseman Threading Tools Bottom Lead Metric HSS Tap Left Hand - M4.5x0.75","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/wiseman.png?v=1657700949\"\u003e\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eWiseman Threading Tools Bottom Lead Metric HSS Tap Left Hand - M4.5x0.75\u003c\/strong\u003e is a precision-engineered hand tap designed for cutting left‑hand metric threads with exacting control. Built from high‑speed steel and ground to ISO 529 standards, this tap delivers dependable, clean threads in a compact, durable package that machinists and hobbyists reach for again and again. \u003c\/p\u003e \u003cp\u003eKey features that set this Wiseman tool apart:\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eLeft‑hand thread, bottom lead design\u003c\/strong\u003e — specifically shaped to cut reverse (left‑hand) threads and finish to the bottom of a hole, making it ideal for applications where a standard right‑hand tap wouldn’t suffice. This bottoming geometry minimizes the number of passes needed to complete the thread in blind holes. \u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eM4.5 x 0.75\u003c\/strong\u003e metric size with ISO 529 dimensions — precise thread form and pitch that align with international standards, ensuring compatibility with commonly used fasteners and components. \u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHigh‑speed steel, ground thread\u003c\/strong\u003e — a robust construction optimized for repeated tapping tasks, delivering better control and smoother cutting action than pre‑coated alternatives. The ground thread profile helps achieve accurate thread profiles in a variety of materials. \u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eUncoated finish\u003c\/strong\u003e — designed for general purpose use, with predictable chip clearance and compatibility with standard cutting fluids used in metric threading operations. \u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBottom lead \/ bottoming tap geometry\u003c\/strong\u003e — ideal for finishing threads in blind holes or for creating a complete thread profile where depth is critical, reducing the need for multiple tools. \u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWho will benefit from this tap? It’s a versatile choice for professional workshops, makerspaces, and DIY enthusiasts who frequently work with metric fasteners in steel, aluminum, or other machinable materials. If you’re assembling components that require a left‑hand thread for secure, anticlockwise fastening or if you’re finishing a threaded bore to the full depth, this tap delivers reliable performance every time. \u003c\/p\u003e \u003cp\u003ePractical use notes to get the best results:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eAlways align the tap precisely with the hole and use a steady, controlled feed to avoid chatter or breakage. Left‑hand tapping requires turning in the opposite direction of standard right‑hand taps—keep the spindle or tap wrench steady and apply light, even pressure.\u003c\/li\u003e \u003cli\u003eApply a suitable cutting fluid or oil designed for metal threading to improve chip evacuation and prolong tool life. The uncoated HSS tap benefits from proper lubrication to reduce heat and wear during cutting.\u003c\/li\u003e \u003cli\u003eBegin with a light chamfer pass if needed, then progress with the bottoming segment to achieve full thread depth. For blind holes, plan for the bottom‑lead geometry to ensure a complete thread form at the base.\u003c\/li\u003e \u003cli\u003eStore with other precision taps in a dry environment to maintain tool integrity; the HSS material resists corrosion best when kept clean and properly lubricated after use.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eCompared to other metric taps, this Wiseman left‑hand bottom lead tap emphasizes reliability and consistency in left‑hand threading tasks. Its ISO 529 compliance means you’re purchasing a tool that aligns with industry expectations for thread form, fit, and interchangeability, reducing guesswork on the shop floor. If you’re tackling projects that demand reverse threads or require finishing a hole to the end, this tap provides a focused, single‑tool solution that contractors and enthusiasts can rely on. \u003c\/p\u003e \u003cp\u003eIn the box (as shown in the accompanying image), you’ll find a compact, robust HSS tap that fits standard hand tapping setups, ready to pair with a tap wrench or die stock. Whether you’re retrofitting a mechanical assembly, servicing brake components, or working on bespoke hardware, the Wiseman bottom‑lead left‑hand tap helps you achieve precise thread engagement every time.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Wiseman","offers":[{"title":"Default Title","offer_id":40277204992078,"sku":"T11005LH2P","price":19.68,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/t10155lh2p_12a659c6-a9c6-4ae7-a943-5c351e055de7.png?v=1693995759"},{"product_id":"t11155lh2p","title":"Wiseman Threading Tools Bottom Lead Metric HSS Tap Left Hand - M5x0.8","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Wiseman Threading Tools Bottom Lead Metric HSS Tap Left Hand - M5x0.8, a precise, dependable tool for cleanly cutting left‑hand threads in metal workpieces.\u003c\/p\u003e \u003cp\u003eEngineered from high-speed steel (HSS) and ground for accuracy, this tap is uncoated for general purpose tapping with appropriate lubrication. Its ISO 529 dimensions guarantee compatibility with standard M5x0.8 threads across machines and fittings.\u003c\/p\u003e \u003cp\u003eLeft-hand thread: designed for components that tighten in counterclockwise direction or require reverse threading—ideal for securing puller shafts, shaft collars, or certain automotive and industrial assemblies where standard right-hand threads aren’t suitable.\u003c\/p\u003e \u003cp\u003eBottom lead design: aimed at deeper, through- or blind-hole tapping, enabling threads to extend closer to the bottom of a hole, reducing the need for flip-over or secondary passes. This helps achieve robust, full-depth threads in limited-clearance situations.\u003c\/p\u003e \u003cp\u003eUsage scenarios: automotive repairs, machinery maintenance, or DIY metalworking projects where a left-hand thread is required. Works well with steel, cast iron, and other common metals when used with proper cutting fluid and steady hand or machine tapping. For drilling sites with limited access, the bottom lead improves thread depth control.\u003c\/p\u003e \u003cp\u003eWhy choose this Wiseman tap over standard right-hand taps? The left-hand thread capability reduces the risk of over-tightening in assemblies that reverse the rotation during operation, and the bottom lead geometry provides consistent thread depth in challenging holes. Its robust HSS core resists wear and maintains sharp cutting edges across multiple holes.\u003c\/p\u003e \u003cp\u003ePractical tips for optimal results:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAlways lubricate with an appropriate tapping fluid to minimize heat and prolong tool life.\u003c\/li\u003e\n\u003cli\u003eSecure the workpiece and align the tap perpendicular to the hole to avoid off-axis threads.\u003c\/li\u003e\n\u003cli\u003eTurn slowly and steadily; with left-hand threads, reverse rotation is used to cut and then ease out the tap as the thread forms.\u003c\/li\u003e\n\u003cli\u003eClear chips frequently to prevent binding; pause and back off if resistance increases.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eProduct image: \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/wiseman.png?v=1657700949\" alt=\"Wiseman left-hand thread tap with bottom lead\"\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Wiseman","offers":[{"title":"Default Title","offer_id":40277205024846,"sku":"T11155LH2P","price":9.69,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/t10155lh2p_f6e826ff-a57c-4b71-a7b4-e72f03400ea8.png?v=1693995763"},{"product_id":"t11405lh2p","title":"Wiseman Threading Tools Bottom Lead Metric HSS Tap Left Hand - M6x1","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/wiseman.png?v=1657700949\"\u003e\u003c\/p\u003e \u003cp\u003eThe Wiseman Threading Tools Bottom Lead Metric HSS Tap Left Hand - M6x1 is a precision-ground, uncoated tapping tool designed for metric, left-hand threads. Built from high-speed steel (HSS) and finished for general-purpose use, this bottom-lead tap is engineered to deliver clean, accurate threads in a variety of metals, with ISO 529 dimensions you can trust for compatibility in standard assemblies.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eKey features that matter in real-world work\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eHSS ground for reliability\u003c\/strong\u003e — Made from high-speed steel and ground to precise dimensions for consistent thread quality across multiple passes.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eLeft-hand thread, M6x1\u003c\/strong\u003e — Specifically designed to cut left-hand metric threads with a 6 mm major diameter and a 1.0 mm pitch, ideal for reverse-action fasteners or assemblies that require opposing thread direction.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBottom lead design\u003c\/strong\u003e — The bottom-lead geometry helps the tap engage more smoothly at the start of the cut and reach full thread depth in deeper blind holes, reducing the chance of chatter and startup hesitation.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eUncoated, general purpose\u003c\/strong\u003e — An uncoated finish provides predictable cutting action in a range of metals and works well with standard cutting fluids, enhancing feel and control during tapping.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eISO 529 compliant\u003c\/strong\u003e — Dimensional accuracy aligns with ISO 529 standards, ensuring reliable interchangeability with corresponding taps and tooling in metric threading work.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWho benefits most from this Wiseman left-hand tap\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eMachinists and hobbyists who work on projects requiring left-handed M6x1 threads—such as reverse-threaded fasteners or components that must resist rotation in a specific direction.\u003c\/li\u003e \u003cli\u003eRepair technicians dealing with damaged or worn left-hand threads where a precise, clean tap is essential to restore reliability without compromising surrounding material.\u003c\/li\u003e \u003cli\u003eElectrical\/mechanical installers who assemble fittings and connectors that utilize metric left-hand threads in UK and European hardware applications.\u003c\/li\u003e \u003cli\u003eShop environments that stock a standardized set of metric taps and need a dependable tool for general-purpose left-hand threading tasks.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003ePractical use and outcomes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWith the Wiseman bottom-lead left-hand tap, you can expect precise thread formation that resists wobble and cross-threading—especially when tapping into tough metals or when working in tighter spaces where starting alignment is critical. The uncoated surface offers predictable bite characteristics, giving you more tactile feedback as the tool advances through the metal. This translates to cleaner threads, reduced rework, and faster turnaround on projects that require left-handed metric threads.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eTips to maximize performance\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eAlways use a compatible tap wrench and secure the workpiece firmly to prevent deflection during tapping.\u003c\/li\u003e \u003cli\u003eApply an appropriate cutting fluid or light oil to reduce heat and improve chip evacuation, especially in harder metals.\u003c\/li\u003e \u003cli\u003eBegin with a light, steady feed to establish a true starting thread, then ease up pressure as the tap engages deeper into the hole.\u003c\/li\u003e \u003cli\u003eBack off slightly after every few turns to break chips and prevent binding, particularly in deeper holes or with thicker materials.\u003c\/li\u003e \u003cli\u003eInspect the formed thread with a go\/no-go gauge to confirm full-depth engagement and correct pitch before assembly.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eMaintenance and care\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eKeep the tap clean and free of chips; use a soft brush or compressed air after use.\u003c\/li\u003e \u003cli\u003eStore in a dry, organized toolkit or protective case to prevent corrosion and accidental damage to the flutes.\u003c\/li\u003e \u003cli\u003eResharpen or replace when flutes show signs of wear to maintain consistent threading performance.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIn short, the Wiseman Threading Tools Bottom Lead Metric HSS Tap Left Hand - M6x1 is a purpose-built solution for high-precision left-hand metric threading. Its bottom-lead geometry, ISO-compliant dimensions, and robust HSS construction offer reliable performance for a range of metalworking tasks, helping you deliver accurate, professional threads with confidence.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Wiseman","offers":[{"title":"Default Title","offer_id":40277205057614,"sku":"T11405LH2P","price":9.69,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/t10155lh2p_67fc2d0b-b248-4feb-8716-f2e855e8db42.png?v=1693995767"},{"product_id":"t11605lh2p","title":"Wiseman Threading Tools Bottom Lead Metric HSS Tap Left Hand - M7x1","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eWiseman Threading Tools Bottom Lead Metric HSS Tap Left Hand - M7x1\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/wiseman.png?v=1657700949\"\u003e\u003c\/p\u003e\n\u003cp\u003eThis left‑hand, metric thread tap from Wiseman is built to tackle precision threading with confidence. Crafted from high‑speed steel and ground to a sharp, true edge, it’s designed for general purpose tapping without the need for coatings. The M7x1 size follows ISO 529 dimensions, ensuring predictable results across standard metalworking setups.\u003c\/p\u003e\n\u003ch3\u003eKey features that matter in real machining projects\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eMaterial and finish:\u003c\/strong\u003e High‑speed steel, ground for a precise cutting edge, and uncoated to maximize edge retention and relief in a variety of metals.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSize and standard:\u003c\/strong\u003e Metric M7x1 with ISO 529 dimensions, so it aligns with common taps and preparation steps in workshops and on shop floors.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThread direction:\u003c\/strong\u003e Left‑hand thread—useful for components designed to tighten counterclockwise or for reversing assemblies without changing hardware.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eLead type:\u003c\/strong\u003e Bottom lead configuration supports steady starting and efficient cutting across through and blind holes.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eGeneral purpose:\u003c\/strong\u003e A reliable, versatile tap suitable for a range of metals in everyday production and maintenance tasks.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy this tap is a practical choice\u003c\/h3\u003e\n\u003cp\u003eFor technicians and hobby machinists who encounter left‑hand threaded components, this Wiseman tap provides predictable tool life and consistent thread quality. The combination of HSS material, ground geometry, and uncoated finish delivers strong performance in standard metalworking environments without the need for additional coatings or specialty setups. The M7x1 left‑hand thread is common in certain mechanical assemblies, making this tap a ready‑to‑use addition to your tapping kit.\u003c\/p\u003e\n\u003ch3\u003eBest practice and use scenarios\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003ePrepare a clean pilot hole sized according to standard tapping charts for M7x1 left‑hand threads, then lubricate the workpiece and tap for smoother cutting.\u003c\/li\u003e \u003cli\u003eMaintain steady torque and avoid forcing the tap; back off periodically to break chips and prevent tap breakage.\u003c\/li\u003e \u003cli\u003eUse with compatible holds and guides to ensure alignment and minimize workpiece runout during the cutting process.\u003c\/li\u003e \u003cli\u003eIdeal for repairs or fabrication projects involving left‑hand threaded fasteners, motors, pulleys, and other mechanical assemblies.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCare and maintenance\u003c\/h3\u003e\n\u003cp\u003eAfter use, clean away chips and wipe the tap dry to prevent corrosion. Store in a dry, organized space to preserve the sharp edge for future jobs. Handle with care to maintain the precision of the ground cutting edges for long‑lasting performance.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Wiseman","offers":[{"title":"Default Title","offer_id":40277205090382,"sku":"T11605LH2P","price":16.32,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/t10155lh2p_1f92b9b3-be79-45de-ab0d-66483a9a4073.png?v=1693995769"},{"product_id":"t11755lh2p","title":"Wiseman Threading Tools Bottom Lead Metric HSS Tap Left Hand - M8x0.5","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/wiseman.png?v=1657700949\" alt=\"Wiseman Threading Tools Tap image\"\u003e\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eWiseman Threading Tools Bottom Lead Metric HSS Tap Left Hand - M8x0.5\u003c\/strong\u003e is a purpose-built threading tap crafted for dependable metric threading in left-hand configurations. Ground high-speed steel and an uncoated finish combine to deliver sharp cutting edges, excellent wear resistance, and reliable performance across a range of common workshop materials. Sized to M8x0.5 with ISO 529 dimensions, this tap is ready for precise, repeatable threads in the most demanding applications.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eLeft-hand threading\u003c\/strong\u003e designed for reverse-turn assemblies, making it ideal for components that require a left-handed fastener or for recovering damaged threads without compromising the workpiece.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBottom lead design\u003c\/strong\u003e begins cutting closer to the bottom of the hole, helping you achieve full-depth threads in through-holes and improving thread engagement in deeper pockets.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eUncoated HSS\u003c\/strong\u003e provides versatile performance with standard cutting oils, offering clean chip evacuation and durable edge retention in steel, cast iron, and many nonferrous alloys.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eISO 529 compatibility\u003c\/strong\u003e ensures consistent thread form and dimensional accuracy, making it compatible with a broad range of standard taps, dies, and mating components.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompact, dependable tool for UK plug lead work\u003c\/strong\u003e and general metalworking tasks where a robust metric left-hand tap is needed to achieve reliable, repeatable threads.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eThis tap is an excellent choice for professional machinists, technicians, and serious hobbyists who routinely work with metric hardware and left-hand fasteners. Use it in a stable tapping setup with a quality tap wrench, maintain steady cutting speed, and apply appropriate lubrication to maximize tool life and thread quality. The combination of a bottom-lead geometry and a carefully ground HSS flute profile helps reduce chatter, minimize thread-start issues, and produce clean, accurate threads in a variety of materials. \u003c\/p\u003e \u003cp\u003eWhether you're fabricating new components, repairing left-hand threaded assemblies, or producing compliant threads for UK plug leads, this Wiseman M8x0.5 left-hand tap delivers trustworthy performance and long-term value in a single, reliable threading tool. \u003c\/p\u003e\n\u003c\/div\u003e","brand":"Wiseman","offers":[{"title":"Default Title","offer_id":40277205123150,"sku":"T11755LH2P","price":30.52,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/t10155lh2p_4f3f9dfa-ff09-4de0-94a3-d9047194297d.png?v=1693995773"},{"product_id":"t11805lh2p","title":"Wiseman Threading Tools Bottom Lead Metric HSS Tap Left Hand - M8x0.75","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/wiseman.png?v=1657700949\"\u003e\u003c\/p\u003e\n\u003cp\u003eThe Wiseman Threading Tools Bottom Lead Metric HSS Tap Left Hand – M8x0.75 is a purpose-built tapping solution for metalworkers who require reliable, reverse-thread cutting with depth you can trust. Crafted for precision and durability, this left-hand thread tap is ready to handle demanding projects where reverse threading is essential.\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eLeft-hand thread, M8x0.75\u003c\/strong\u003e: Specifically designed to cut reverse threads, making it ideal for components that tighten in the opposite direction or require a reverse thread for assembly and disassembly.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBottom lead (bottoming) design\u003c\/strong\u003e: Engineered to engage threads all the way to the bottom of a blind hole, ensuring complete thread engagement and a secure, accurate fit every time.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHigh Speed Steel (HSS), ground and uncoated\u003c\/strong\u003e: A robust general-purpose tool surface that delivers dependable cutting action across a range of metals. The uncoated finish helps with compatibility with standard cutting fluids and heat management during tapping.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eISO 529 dimensions\u003c\/strong\u003e: Built to strict metric standards, so the thread form and size align with ISO specifications for reliable interchangeability with compatible components and fittings.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile, general-purpose performance\u003c\/strong\u003e: Ideal for hobbyists, makers, and professionals who need a trusted left-hand, bottoming tap for repair work, production, or custom fabrications in metal.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eUse cases and practical tips to get the best results:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eWhen you’re working with reverse-threaded fasteners or assemblies that require a left-hand option, this tap provides the exact thread profile you need for clean, accurate cuts.\u003c\/li\u003e \u003cli\u003eOpt for proper lubrication and steady, even feeds to minimize tool wear and heat. Maintain alignment with the workpiece to preserve thread accuracy and surface finish.\u003c\/li\u003e \u003cli\u003eBecause this is a bottoming tap, plan for full-depth threading in holes that demand maximum thread engagement to secure components effectively over time.\u003c\/li\u003e \u003cli\u003eSuitable for a range of metals with standard tapping practices—stable workholding, a correctly sized pilot hole, and appropriate cutting fluid will help you achieve consistent results.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe M8x0.75 Wiseman HSS bottom-lead left-hand tap is a precise, repeatable solution for professionals who demand dependable performance from their threading tools. When you need to cut reverse threads with full-depth engagement in metalwork projects, this tap delivers the control, durability, and accuracy you require to get the job done right.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Wiseman","offers":[{"title":"Default Title","offer_id":40277205155918,"sku":"T11805LH2P","price":21.32,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/t10155lh2p_50d1a173-bcbc-4fc0-ad52-7c2cb435ff3b.png?v=1693995776"},{"product_id":"t11855lh2p","title":"Wiseman Threading Tools Bottom Lead Metric HSS Tap Left Hand - M8x1","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/wiseman.png?v=1657700949\"\u003e\u003c\/p\u003e \u003cp\u003eThe Wiseman Threading Tools Bottom Lead Metric HSS Tap Left Hand – M8x1 is a precision-built threading tap designed for reliable, repeatable results in metalworking projects. Crafted from high-speed steel and ground to a sharp, accurate profile, this tap delivers clean, full-depth threads with minimal chatter across a range of metals.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eLeft-hand thread, M8x1\u003c\/strong\u003e — engineered for applications requiring reverse engagement or left-handed fasteners. Cut threads by turning the tap counterclockwise, making it ideal for specific mechanical assemblies and reverse-thread scenarios.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBottom lead design\u003c\/strong\u003e — optimized entry into holes, helping to start threads smoothly and reduce walk-off in deeper bores or blind holes.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHSS ground, uncoated\u003c\/strong\u003e — a robust, sharp cutting edge that maintains form under repetitive use and works well with standard cutting fluids, without a coating that might affect fit or compatibility.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eISO 529 dimensions\u003c\/strong\u003e — built to international metric tolerances, ensuring dependable compatibility with standard M8x1 taps, drills, and accessories used in workshops and production environments.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eGeneral-purpose versatility\u003c\/strong\u003e — a dependable choice for repair work, prototyping, and professional machining where left-hand threads or reverse-thread tasks are required.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003ePractical use notes: select the appropriate tap drill size per ISO 529 for M8x1, apply a suitable cutting fluid, and maintain steady, even turns to achieve crisp threads. The left-hand orientation is particularly useful in assemblies where a standard right-hand tap would not perform as needed or could complicate disassembly. This tap is a strong addition to any tool kit aimed at mechanical maintenance, fabrication, or hobby machining.\u003c\/p\u003e \u003cp\u003eCare and storage: after use, wipe clean to remove chips and coolant, dry thoroughly, and store in a dry, organized case with other taps to preserve edge geometry and extend tool life. With proper care, this Wiseman tap remains a reliable, long-lasting solution for metric threading tasks that demand precision.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Wiseman","offers":[{"title":"Default Title","offer_id":40277205188686,"sku":"T11855LH2P","price":21.32,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/t10155lh2p_57947273-9625-4d81-80dd-7607dbbd1777.png?v=1693995780"},{"product_id":"t11905lh2p","title":"Wiseman Threading Tools Bottom Lead Metric HSS Tap Left Hand - M8x1.25","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/wiseman.png?v=1657700949\"\u003e\u003c\/p\u003e\n\u003cp\u003eThe Wiseman Threading Tools Bottom Lead Metric HSS Tap Left Hand - M8x1.25 is a purpose-built tapping solution designed for accurate, repeatable left-hand threading in metal. Crafted from high-speed steel and precision-ground for a clean cut, this tap delivers dependable performance in everyday workshop tasks and more demanding projects alike.\u003c\/p\u003e \u003ch3\u003eKey features that matter\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eLeft-hand thread\u003c\/strong\u003e for creating reverse threads or restoring reverse-fastener assemblies without flip‑flopping operations.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eM8 x 1.25\u003c\/strong\u003e size with ISO 529 compatibility, ensuring consistent thread form with standard metric fasteners.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBottom lead\u003c\/strong\u003e design to maximize thread engagement and improve cutting action in deeper holes.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHigh-speed steel (HSS), ground finish, uncoated\u003c\/strong\u003e for broad material compatibility and durability without coatings that can peel or wear in tough jobs.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eGeneral-purpose tapping tool\u003c\/strong\u003e suitable for a range of metals and common workshop applications, from repair work to new-build projects.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhat problems this tap solves\u003c\/h3\u003e\n\u003cp\u003eWhen you need precise left-handed threads—whether to secure anti-rotation features, assemble reverse-thread components, or repair an existing left-hand bore—this tap provides reliable control and predictable results. The combination of a ground HSS flute and bottom-lead geometry reduces chatter and helps you maintain straight, accurate threads with fewer passes.\u003c\/p\u003e \u003ch3\u003eHow to use\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eDrill a pilot hole according to ISO 529 guidelines for M8 x 1.25 taps to ensure optimal chip formation and thread quality.\u003c\/li\u003e \u003cli\u003eLubricate the tap and workpiece to minimize friction and heat during cutting.\u003c\/li\u003e \u003cli\u003eAlign carefully with the hole and turn the tap in a steady, controlled manner using a tap wrench or appropriate driver.\u003c\/li\u003e \u003cli\u003eBack off periodically to break chips and prevent binding, then continue cutting until the full thread depth is achieved.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal for\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMachining shops and home workshops tackling left-hand threaded fasteners or reverse-thread assemblies.\u003c\/li\u003e \u003cli\u003eRepairs on equipment where left-handed fasteners are specified or required for safe operation.\u003c\/li\u003e \u003cli\u003eVintage or specialized machinery maintenance, automotive work, and gear systems needing precise M8 x 1.25 LH threads.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy choose this Wiseman tap\u003c\/h3\u003e\n\u003cp\u003eWith a dedicated left-hand threading profile, ISO-compliant size, and an uncoated HSS composition, this tap offers a dependable balance of rigidity, finish quality, and versatility. It’s built to handle standard metalwork tasks without compromise, making it a practical addition to any toolbox that routinely tackles threaded connections in metal.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Wiseman","offers":[{"title":"Default Title","offer_id":40277205221454,"sku":"T11905LH2P","price":11.45,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/t10155lh2p_5f1a5b2e-a880-4415-9e36-79ea21d5c7d0.png?v=1693995783"},{"product_id":"t12105lh2p","title":"Wiseman Threading Tools Bottom Lead Metric HSS Tap Left Hand - M9x1","description":"\u003cdiv\u003e\n\u003cp\u003ePrecision threading with ease—introduce the Wiseman Threading Tools Bottom Lead Metric HSS Tap Left Hand – M9x1. This high-speed steel (HSS) tap is ground for accuracy, uncoated for versatile, general-purpose cutting, and built to deliver clean, repeatable left-hand threads in a variety of metals.\u003c\/p\u003e \u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/wiseman.png?v=1657700949\"\u003e\u003c\/p\u003e \u003cp\u003eThe tap is manufactured to ISO 529 dimensions and features a left-hand thread with a bottom lead design. The bottom lead helps the thread start and engage smoothly in restricted or blind holes, reducing chatter and promoting straighter, deeper threads with fewer passes.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eType: HSS threading tap, ground, uncoated\u003c\/li\u003e \u003cli\u003eThread direction: Left-hand\u003c\/li\u003e \u003cli\u003eSize: M9 x 1 (9 mm diameter, 1 mm pitch)\u003c\/li\u003e \u003cli\u003eLead: Bottom lead design\u003c\/li\u003e \u003cli\u003eStandards: ISO 529\u003c\/li\u003e \u003cli\u003eApplications: General-purpose tapping in a wide range of metals\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this Wiseman tap stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003ePrecision-ground geometry ensures consistent thread depth and pitch for reliable fastener compatibility\u003c\/li\u003e \u003cli\u003eUncoated finish offers broad compatibility with cutting oils and coolants, without coating-related limitations\u003c\/li\u003e \u003cli\u003eLeft-hand threading capability supports reverse-rotation applications and special-fit assemblies\u003c\/li\u003e \u003cli\u003eCompact, durable construction makes it suitable for hand tapping with a tap wrench or machine-assisted work in tight spaces\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eInstalling left-hand threaded fasteners in automotive, machinery, and bicycle components\u003c\/li\u003e \u003cli\u003eRepairing or reproducing reverse-threaded connections in old or custom hardware\u003c\/li\u003e \u003cli\u003ePrototyping or repair work where a dependable left-hand thread is required for removable assemblies\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eHow to use\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003ePrepare the hole: drill the recommended core hole according to ISO 529 for M9x1\u003c\/li\u003e \u003cli\u003eLubricate: apply a light cutting oil to reduce heat and improve chip evacuation\u003c\/li\u003e \u003cli\u003eAlign and start: keep the tap straight in the hole, then rotate counterclockwise to cut the left-hand thread\u003c\/li\u003e \u003cli\u003eProgress and clear chips: advance with steady pressure, pausing to clear chips to avoid over-tapping\u003c\/li\u003e \u003cli\u003eVerify: check the finished thread with a gauge to ensure correct depth and pitch\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIncluded in the listing\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e1 x Wiseman Threading Tools Bottom Lead Metric HSS Tap Left Hand – M9x1\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Wiseman","offers":[{"title":"Default Title","offer_id":40277205254222,"sku":"T12105LH2P","price":22.47,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/t10155lh2p_e2148433-23e2-4014-85ed-1d0475117e96.png?v=1693995787"},{"product_id":"t12155lh2p","title":"Wiseman Threading Tools Bottom Lead Metric HSS Tap Left Hand - M9x1.25","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eWiseman Threading Tools Bottom Lead Metric HSS Tap Left Hand - M9x1.25\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ePrecision meets practicality in this high-speed steel (HSS) ground tap. Uncoated for broad material compatibility, it’s designed to cut clean, accurate M9x1.25 threads with a left-hand pitch. The ISO 529 dimensions ensure reliable performance across standard metric workpieces, making it a dependable choice for both professional shops and dedicated hobbyists.\u003c\/p\u003e\n\u003cp\u003eThe bottom lead design and robust geometry provide smooth entry and steady thread formation, helping you achieve consistent results in through-holes and blind-holes alike. Its left-hand thread is ideal for applications that require reverse-turn tightening or special fastener configurations, giving you versatility in demanding assemblies.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy this left-hand M9x1.25 HSS tap stands out\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eLeft-hand metric threading\u003c\/strong\u003e—cuts reverse threads with precision, enabling specialized assemblies without swapping tools.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eM9x1.25 pitch\u003c\/strong\u003e—fits common metric components and hardware that rely on this exact specification.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eISO 529 compliant\u003c\/strong\u003e—ensures compatibility with standard metric hole sizes and threading practice.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBottom lead geometry\u003c\/strong\u003e—designed for controlled entry and steady chip formation to deliver reliable cuts project after project.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHigh-speed steel, uncoated\u003c\/strong\u003e—versatile across a range of metals; easy to sharpen and re-tap as needed.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eGeneral purpose tool\u003c\/strong\u003e—perfect for maintenance, repair, and fabrication tasks in workshops, garages, or production floors.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eIdeal use cases\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eRepairing or creating left-handed threaded connections in steel, aluminum, brass, and similar materials.\u003c\/li\u003e \u003cli\u003eSetting up reverse-thread fasteners or components that require opposite-turn tightness.\u003c\/li\u003e \u003cli\u003eMaintenance and fabrication tasks where a reliable, general-purpose taps performs best without coated options.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003ePractical tips for the best results\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eUse a suitable cutting fluid or oil to minimize friction and extend tap life.\u003c\/li\u003e \u003cli\u003eStart with a pilot hole sized to standard tapping practice for M9x1.25, and advance with steady, even pressure.\u003c\/li\u003e \u003cli\u003eBack off occasionally to break chips and prevent binding; keep the workpiece well-supported and aligned.\u003c\/li\u003e \u003cli\u003eClean the threads after tapping and inspect for cracks or misalignment before assembly.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor a clear, detailed view of the tool’s geometry, refer to the included Wiseman image that highlights the precise left-hand thread and bottom lead features.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/wiseman.png?v=1657700949\" alt=\"Wiseman Threading Tools Bottom Lead Metric HSS Tap Left Hand - M9x1.25\"\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Wiseman","offers":[{"title":"Default Title","offer_id":40277205286990,"sku":"T12155LH2P","price":21.38,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/t10155lh2p_50e2ca08-32b8-49d1-bc29-637e85c33553.png?v=1693995790"},{"product_id":"t12305lh2p","title":"Wiseman Threading Tools Bottom Lead Metric HSS Tap Left Hand - M10x0.75","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/wiseman.png?v=1657700949\"\u003e\u003c\/p\u003e \u003ch2\u003eWiseman M10x0.75 Left-Hand Bottoming Tap – HSS, Uncoated, ISO 529\u003c\/h2\u003e \u003cp\u003eDesigned for precise internal threads with a left-hand orientation, this Wiseman Threading Tool is a reliable addition to any machinist’s toolkit. The Bottom Lead geometry ensures full-thread engagement to the bottom of the hole, delivering clean, consistent threads every time. Built from high-speed steel and ground for a smooth, accurate cut, it’s ready for general-purpose use across a range of materials.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eThread type \u0026amp; size:\u003c\/strong\u003e metric M10 x 0.75, left-hand thread\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eLead type:\u003c\/strong\u003e bottoming lead for maximum thread depth and engagement\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaterial \u0026amp; finish:\u003c\/strong\u003e high-speed steel (HSS), uncoated for versatile performance\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eStandards:\u003c\/strong\u003e ISO 529 dimensions for compatibility with standard taps and thread standards\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eGeometry:\u003c\/strong\u003e ground tap for improved symmetry, smoother cutting action, and better chip control\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIdeal for applications where a left-handed internal thread is required to resist loosening from clockwise motion—think specialized fasteners in machinery, automotive components, or equipment that relies on reverse-threaded assemblies. The M10x0.75 size is a common choice for small to mid-range fasteners, and the bottoming design helps you achieve the full thread depth in one pass when properly drilled.\u003c\/p\u003e \u003cp\u003ePractical usage tips:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eAlways drill the correct pilot hole for M10 x 0.75 before tapping to ensure optimal thread quality.\u003c\/li\u003e \u003cli\u003eUse a suitable cutting fluid or light oil to reduce friction and heat buildup during tapping.\u003c\/li\u003e \u003cli\u003eTurn steadily in the designed direction for left-hand threads, maintaining proper alignment to avoid cross-threading.\u003c\/li\u003e \u003cli\u003eBack out intermittently to clear chips and prevent binding, continuing until the bottoming tap reaches the full thread depth.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy choose Wiseman? This tap represents a balance of precision, durability, and practical design for everyday threading tasks. Its uncoated HSS construction and ISO-compliant dimensions make it a dependable choice for professionals and serious hobbyists alike, delivering dependable performance when you need a reliable left-hand internal thread at M10x0.75.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Wiseman","offers":[{"title":"Default Title","offer_id":40277205319758,"sku":"T12305LH2P","price":30.87,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/t10155lh2p_3897a384-7206-4ae4-b949-797eaec9c875.png?v=1693995794"},{"product_id":"t12405lh2p","title":"Wiseman Threading Tools Bottom Lead Metric HSS Tap Left Hand - M10x1","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Wiseman Threading Tools Bottom Lead Metric HSS Tap Left Hand - M10x1, a precision hand-tap engineered for clean, accurate internal threads in metric sizes. Built to perform in everyday machining and repair work, this tap delivers dependable results where reverse threading is required.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eWhat makes it stand out\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eLeft-hand threading\u003c\/strong\u003e: specifically designed to cut left-hand threads, enabling reliable operation in components that tighten or loosen in the opposite direction of standard right-hand taps.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBottom lead design\u003c\/strong\u003e: optimized for starting into holes and finishing with consistent depth, ideal for through-holes and blind holes alike where controlled chip formation matters.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHSS ground, uncoated\u003c\/strong\u003e: high-speed steel provides a sharp, durable cutting edge for general-purpose threading without coatings that can wear off under routine use.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eISO 529 dimensions\u003c\/strong\u003e: manufactured to standardized tolerances, ensuring compatibility with common drill sizes and mating parts across mechanical assemblies.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSize and pitch\u003c\/strong\u003e: M10 x 1 — 10 mm nominal diameter with a 1.0 mm thread pitch, a common specification for precise, medium-length engagements in mechanical systems.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eReliable for hand tapping\u003c\/strong\u003e: designed for use with a tap wrench or T-handle, offering predictable guidance and smooth operation during threading jobs.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhether you’re repairing a left-hand threaded component in automotive work, fabricating a custom fixture, or refining a mechanical assembly, this Wiseman left-hand tap delivers dependable performance. Use with a suitable cutting fluid, maintain a steady, perpendicular approach to the workpiece, and back off to break chips as needed to maintain clean, accurate threads. With its robust HSS ground geometry and ISO-compliant sizing, it’s a practical addition to any machinist’s toolkit.\u003c\/p\u003e \u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/wiseman.png?v=1657700949\"\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Wiseman","offers":[{"title":"Default Title","offer_id":40277205352526,"sku":"T12405LH2P","price":21.32,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/t10155lh2p_9cd56b3e-7ec2-41ed-8682-5c9f5d58952e.png?v=1693995797"},{"product_id":"t12455lh2p","title":"Wiseman Threading Tools Bottom Lead Metric HSS Tap Left Hand - M10x1.25","description":"\u003cdiv\u003e\n\u003cp\u003eWiseman Threading Tools Bottom Lead Metric HSS Tap Left Hand - M10x1.25 is a precision-ground High-Speed Steel tap built for reliable internal threading. Uncoated and general purpose, this tap follows ISO 529 dimensions to deliver consistent, clean cuts across a range of common metals.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/wiseman.png?v=1657700949\"\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eLeft-hand thread capability\u003c\/strong\u003e: engineered to cut reverse threads, making it ideal for assemblies that use left-handed fasteners or for situations where turning the opposite direction helps free a seized component.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBottom lead design\u003c\/strong\u003e: designed to engage deeply into the hole, allowing for full-thread depth in a single pass and smoother chip evacuation, which reduces tapping time and effort.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHigh-speed steel, uncoated\u003c\/strong\u003e: a tough, wear-resistant material that stands up to repeated tapping in steel, cast iron, and softer alloys. The lack of coating ensures straightforward starting and predictable cutting action with appropriate lubrication.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMetric M10x1.25\u003c\/strong\u003e: creates an internal thread with a 10 mm nominal diameter and a 1.25 mm pitch, compatible with standard M10 fasteners and fittings used in a wide array of mechanical and automotive applications.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eISO 529 compliant\u003c\/strong\u003e: the thread form adheres to international standards, ensuring predictable engagement with nuts, inserts, and threaded components that follow the same spec.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePractical usage tips: align the tap precisely with the hole, use a suitable cutting fluid to control heat and extend tool life, and rotate counterclockwise when working with left-hand threads. Take light, steady cuts and back off periodically to break chips, ensuring clean, accurate threads every time. This Wiseman tap is a reliable workhorse for shops, hobbyists, and professional repair tasks that call for robust, left-hand internal threads in metric sizes.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Wiseman","offers":[{"title":"Default Title","offer_id":40277205385294,"sku":"T12455LH2P","price":21.32,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/t10155lh2p_56f62fd3-10b8-455b-81a6-8521b0ea42b1.png?v=1693995800"},{"product_id":"t12505lh2p","title":"Wiseman Threading Tools Bottom Lead Metric HSS Tap Left Hand - M10x1.5","description":"\u003cdiv\u003e\n\u003cp\u003ePrecision-engineered for professionals and dedicated hobbyists, the Wiseman Threading Tools Bottom Lead Metric HSS Tap Left Hand - M10x1.5 delivers reliable, clean left-hand threads with every cut. This high-speed steel ground tap is uncoated for steady performance in a wide range of general-purpose threading tasks, crafted to ISO 529 dimensions for consistent, repeatable results.\u003c\/p\u003e \u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/wiseman.png?v=1657700949\"\u003e\u003c\/p\u003e \u003cp\u003eDesigned specifically for left-hand threading, this tap reverses the traditional cutting direction, making it ideal for reverse-threaded components or assemblies where a standard right-hand tap would not suffice. The bottom lead design provides deeper engagement and easier starting in blind or recessed holes, helping prevent chatter, cross-threading, and incomplete threads.\u003c\/p\u003e \u003ch3\u003eKey features that matter in real-world use\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eThread type and size:\u003c\/strong\u003e Left-hand metric thread M10 x 1.5 for precise reverse-thread applications.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaterial and finish:\u003c\/strong\u003e High-speed steel (HSS) ground for accurate pitch and robust performance; uncoated for versatile use and heat tolerance.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eLead design:\u003c\/strong\u003e Bottom lead enables full-thread engagement and smoother entry, especially in deeper or blind holes.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eStandards:\u003c\/strong\u003e ISO 529 compliant dimensions ensure compatibility with standard tooling and mating parts.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases and scenarios\u003c\/h3\u003e\n\u003cp\u003eUse this Wiseman tap when you need dependable left-hand threads in metal parts, such as reverse-threaded fasteners, specialized fixtures, or components where rotation direction dictates thread engagement. It excels in automotive, bicycle, machining, and workshop projects where reverse threading is a deliberate design choice or safety feature. Pair the tap with the appropriate tapping drill size per ISO 529 guidance and a suitable cutting fluid to achieve crisp, accurate threads with minimal tool wear.\u003c\/p\u003e \u003ch3\u003eHow to get the best results\u003c\/h3\u003e\n\u003col\u003e \u003cli\u003eChoose the correct tapping drill size according to ISO 529 for M10 x 1.5 and the bottom-lead geometry.\u003c\/li\u003e \u003cli\u003eSecure the workpiece and apply a light coating of cutting fluid to reduce heat and extend tool life.\u003c\/li\u003e \u003cli\u003eBegin threading with a counterclockwise rotation to advance the left-hand thread smoothly.\u003c\/li\u003e \u003cli\u003ePeriodically back the tap out to clear chips, then continue to the full depth as required.\u003c\/li\u003e\n\u003c\/ol\u003e \u003ch3\u003eCare and longevity tips\u003c\/h3\u003e\n\u003cp\u003eKeep the tap clean and dry between uses, wipe away metal shavings, and store in a dry environment to prevent corrosion. Regular inspection for chips or dull edges will help maintain cutting precision and extend the life of the tool.\u003c\/p\u003e \u003cp\u003eThis Wiseman HSS left-hand tap is a durable, reliable addition to any threading toolkit, offering precise metric performance in a compact, purpose-built design. Whether upgrading existing equipment or tackling a new project with reverse-thread requirements, this bottom-lead tap delivers consistent results and long-term value.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Wiseman","offers":[{"title":"Default Title","offer_id":40277205418062,"sku":"T12505LH2P","price":16.87,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/t10155lh2p_236ade74-d069-4057-bc4f-bb6d625ac92c.png?v=1693995803"},{"product_id":"t12755lh2p","title":"Wiseman Threading Tools Bottom Lead Metric HSS Tap Left Hand - M11x1.5","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/wiseman.png?v=1657700949\"\u003e\u003c\/p\u003e \u003cp\u003eMeet the Wiseman Threading Tools Bottom Lead Metric HSS Tap Left Hand - M11x1.5, a purpose-built tapping solution for metalworking that demands accuracy and durability. This uncoated high-speed steel tap is ground to precise ISO 529 dimensions, delivering reliable thread form for metric fasteners in a range of domestic and professional projects. Designed with a \u003cstrong\u003eleft-hand thread\u003c\/strong\u003e, it creates threads that tighten when turned counterclockwise, making it ideal for applications where reverse torque is essential to keep components secure in operation. The \u003cstrong\u003ebottom lead\u003c\/strong\u003e design ensures robust engagement from the start of the cut and a solid bottomed thread all the way through, producing clean, consistent threads every time.\u003c\/p\u003e \u003ch3\u003eWhy this tap stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eLeft-hand thread, M11x1.5\u003c\/strong\u003e: Precisely matched to metric left-handed applications, enabling secure, opposite-direction fastening where required.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBottom lead design\u003c\/strong\u003e: Early bite and full-depth threads to the bottom of the hole, reducing runout and improving starting alignment.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eISO 529 dimensions\u003c\/strong\u003e: Adheres to international threading standards for compatibility with standard nuts, fasteners, and inserts.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHigh-speed steel, uncoated\u003c\/strong\u003e: A versatile, general-purpose tap that performs well across common metals with proper lubrication.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMetric precision\u003c\/strong\u003e: Specifically engineered for M11 thread profiles, helping you achieve accurate pitch and thread depth every time.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eRepairing or fabricating components in machinery that employ left-handed fasteners to resist reverse forces during operation.\u003c\/li\u003e \u003cli\u003eCreating or repairing threaded holes in soft to medium-hard metals where a reliable left-hand thread is required.\u003c\/li\u003e \u003cli\u003eHand-tapped repairs on equipment, assemblies, or hobby projects where precision and repeatability matter.\u003c\/li\u003e \u003cli\u003ePrototyping or maintenance work in workshops that rely on standard tapping practices with a wrench or tap holder.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eHow to use for best results\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eDrill the correct pilot hole size for M11x1.5 left-hand threads and ensure the workpiece is securely clamped.\u003c\/li\u003e \u003cli\u003eLubricate with an appropriate cutting oil designed for metal tapping to reduce heat and extend tap life.\u003c\/li\u003e \u003cli\u003eAlign the tap square to the hole and turn in the left-hand direction (counterclockwise) to begin cutting the thread profile.\u003c\/li\u003e \u003cli\u003eUse steady, even torque and back off periodically to clear chips; continue until the bottom lead reaches the full thread depth.\u003c\/li\u003e \u003cli\u003eFinish with a gentle cleaning pass and inspect for thread engagement and seating length.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal for whom and where it shines\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eProfessional machinists seeking a reliable metric left-hand tap for production or repair work.\u003c\/li\u003e \u003cli\u003eHobbyists and makers performing metalworking projects requiring precise left-handed threads.\u003c\/li\u003e \u003cli\u003eMaintenance technicians working with equipment that uses reverse-thread fasteners to prevent loosening under vibration.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCompatibility and care\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eDesigned to work with standard tap wrenches or machine tapping setups that accommodate metric taps.\u003c\/li\u003e \u003cli\u003eUse with appropriate lubricants to maximize tool life and thread quality; avoid dry tapping to prevent premature wear.\u003c\/li\u003e \u003cli\u003eStore in a dry environment to preserve the uncoated HSS surface and prevent corrosion over time.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eInvest in the Wiseman Threading Tools Bottom Lead Metric HSS Tap Left Hand - M11x1.5 to achieve dependable, repeatable left-handed threading results in your metalworking projects. Built for durability, precision, and practical everyday use, this tap is a trusted choice for those who demand consistent, high-quality threads from a single, dependable tapping tool.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Wiseman","offers":[{"title":"Default Title","offer_id":40277205450830,"sku":"T12755LH2P","price":37.64,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/t10155lh2p_818c7dea-d6aa-4b94-a688-c31e65120142.png?v=1693995807"},{"product_id":"t12955lh2p","title":"Wiseman Threading Tools Bottom Lead Metric HSS Tap Left Hand - M12x1","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/wiseman.png?v=1657700949\"\u003e\u003c\/p\u003e The Wiseman Threading Tools Bottom Lead Metric HSS Tap Left Hand - M12x1 is a purpose-built tapping solution for engineers, machinists, and ambitious DIYers who demand precise, dependable metric threads in a range of materials. Ground from high-speed steel and left uncoated, this tap is engineered for fast, clean cuts and robust performance where right-hand threads aren’t suitable or where a reverse-turn thread is required. Designed to ISO 529 standards, this M12x1 tap delivers consistent pitch accuracy and a reliable thread form that mates perfectly with standard metric fasteners. The left-hand thread capability is especially valuable in applications where components are preloaded in a way that would otherwise loosen with conventional right-hand taps, making it a go-to choice for anti-rotation features and specialized assemblies. Key features that set this tap apart:\n- Left-hand thread (M12x1): Creates left-handed threads that tighten in the opposite direction, ideal for specific mechanical designs and reverse-assembly requirements.\n- Bottom lead design: Enables deeper, more complete threading in blind holes, reducing tapping time and improving thread quality in recessed features.\n- ISO 529 compliant: Ensures compatibility with standard metric threading practice, so you can rely on consistent results across projects.\n- High-speed steel, ground finish, uncoated: Delivers strong edge retention and precise thread geometry without coatings that can peel or flake during aggressive cuts.\n- Square driving end: Ready for use with standard tap wrenches, ensuring a secure grip and straightforward operation in confined spaces. Who will benefit most:\n- Machinists and workshop professionals tackling left-hand threads in fabrication, automotive work, or maintenance projects.\n- Hobbyists performing repairs or custom builds where left-handed fasteners are part of the design.\n- Anyone working with UK-based tooling setups that require a metric left-hand tap for compatible components or assemblies. Why this matters in practice:\n- Precision you can feel: The ground HSS profile preserves thread form-right from the first cut, producing clean, accurate M12x1 threads that seat fasteners with minimal effort.\n- Efficiency in tight spots: The bottom lead design reduces manual turning resistance in deeper holes, so you complete threads with fewer passes and less operator fatigue.\n- Durable, reliable performance: Uncoated HSS handles routine tapping tasks in a variety of materials, offering dependable results without the extra cost of coatings that aren’t necessary for many common jobs. Practical use and best practices:\n- Preparation: Align the tap carefully with the hole center and ensure the drill size follows ISO 529 recommendations for M12x1 depth. Use a proper tapping fluid or light cutting oil to reduce heat and chip buildup.\n- Operation: Start with steady, even pressure and a gentle rotation to establish the thread. For bottoming applications, progress gradually to the full thread depth while keeping the tool aligned to avoid cross-threading.\n- Maintenance: Clean chips after each tapping pass and wipe the tap clean to prevent binding. Store in a dry environment to preserve tool life, especially in humid or corrosive settings.\n- Compatibility notes: This is a metric thread tool designed for left-handed applications. When pairing with fasteners, ensure the mating component is specified for left-hand threads to achieve the intended mechanical function. A practical scenario:\nImagine you’re assembling a compact gear housing that uses a left-hand threaded plug to secure a cover. You need a precise, durable tap that can reach into a blind bore without sacrificing thread integrity. The Wiseman M12x1 left-hand tap provides a clean thread format, efficient bottom-leading contact, and the reliability of high-speed steel for repeated use in manufacturing or repair workflows. In short, this Wiseman thread-tapping tool is a purpose-built choice for anyone who needs accurate left-hand metric threads in a robust, uncoated HSS tap. Whether you’re finalizing a precision enclosure, repairing a left-handed connector, or validating a custom build, this tap gives you the control, consistency, and efficiency that professional-quality work demands.\u003c\/div\u003e","brand":"Wiseman","offers":[{"title":"Default Title","offer_id":40277205483598,"sku":"T12955LH2P","price":31.86,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/t10155lh2p_394e6ec1-8c6e-4f10-a20e-e298c132d753.png?v=1693995810"},{"product_id":"t13005lh2p","title":"Wiseman Threading Tools Bottom Lead Metric HSS Tap Left Hand - M12x1.25","description":"\u003cdiv\u003e\n\u003cp\u003eWiseman Threading Tools Bottom Lead Metric HSS Tap Left Hand - M12x1.25 is a precision-ground, uncoated high-speed steel tap designed for reliable cutting of metric left-hand threads. Built to ISO 529 dimensions, it delivers consistent thread profiles and clean exits in a variety of metals, making it a dependable choice for professional workshops and serious DIY projects.\u003c\/p\u003e \u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/wiseman.png?v=1657700949\"\u003e\u003c\/p\u003e \u003ch3\u003eWhy this left-hand tap stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eLeft-hand thread capability\u003c\/strong\u003e: Ideal for creating reverse-threaded holes or chasing existing left-hand threads, enabling secure counter-torque assemblies and special-fastener applications.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBottom lead design\u003c\/strong\u003e: Aids smoother starting engagement and steadier cutting, reducing chatter and improving alignment as you plunge into the hole.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMetric precision, ISO 529\u003c\/strong\u003e: Adheres to standardized dimensions for compatibility with common metric taps and ensures predictable thread geometry.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHigh-speed steel, general purpose\u003c\/strong\u003e: Ground HSS provides durability and efficient material removal across a range of metals, with an uncoated surface for straightforward use and resharpening opportunities.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal uses and practical scenarios\u003c\/h3\u003e\n\u003cp\u003eWhether you’re fabricating a new component, repairing a reverse-thread connection, or restoring left-handed threads on a specific assembly, this tap is engineered to deliver accurate M12x1.25 threads every time. It’s well-suited for automotive, mechanical, and general metalworking tasks where a reliable left-hand tapping solution is required.\u003c\/p\u003e \u003ch3\u003eHow to get the best results\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eLubricate with a suitable tapping fluid to reduce friction and extend tool life.\u003c\/li\u003e \u003cli\u003eChoose the correct drill size for a clean hole prep and optimal thread engagement.\u003c\/li\u003e \u003cli\u003eMaintain steady feed pressure and avoid rush-starts to preserve thread quality.\u003c\/li\u003e \u003cli\u003eInspect the finished threads for uniform depth and smooth surface finish after tapping.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWho will benefit\u003c\/h3\u003e\n\u003cp\u003eThis Wiseman left-hand thread tap is ideal for machinists, toolmakers, hobbyists, and workshops that regularly work with metric left-hand threads or require a dependable tool for specialized fastener configurations. If you need predictable performance, consistent thread geometry, and a durable HSS solution, this M12x1.25 tap is designed to deliver.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Wiseman","offers":[{"title":"Default Title","offer_id":40277205516366,"sku":"T13005LH2P","price":31.86,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/t10155lh2p_fef077a6-6ef7-492e-92f2-12de95d43877.png?v=1693995814"},{"product_id":"t13055lh2p","title":"Wiseman Threading Tools Bottom Lead Metric HSS Tap Left Hand - M12x1.5","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/wiseman.png?v=1657700949\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWiseman Threading Tools Bottom Lead Metric HSS Tap Left Hand - M12x1.5\u003c\/strong\u003e is a precision-ground, uncoated high-speed steel tap designed to cut clean, reliable left‑hand internal threads. Built to ISO 529 standards, this tool provides consistent thread form and a robust entry for metalworking projects where reverse‑threaded fasteners are required.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eLeft-hand thread capability\u003c\/strong\u003e: Specifically engineered to create reverse-turn threads, ideal for assemblies that rely on tightening in the opposite direction or that must resist loosening under vibration.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBottom lead design\u003c\/strong\u003e: The bottom‑lead geometry eases entry into the predrilled hole and promotes smooth chip flow, reducing threading wander and helping you achieve accurate depth in blind or recessed holes.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMetric precision, ISO 529\u003c\/strong\u003e: M12x1.5 size with ISO 529 dimensional accuracy ensures reliable compatibility with standard metric internal threads and easy pairing with other tapping tools in your workshop.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eUncoated, general-purpose performance\u003c\/strong\u003e: Uncoated HSS delivers versatile cutting action across common steels and alloys, while offering straightforward resharpening when needed for ongoing use in busy shops.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDurable, ground construction\u003c\/strong\u003e: Ground flutes provide crisp thread profiles and dependable alignment, supporting consistent pitch and depth for professional-grade thread quality.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePractical tapping guidance\u003c\/strong\u003e: Use with a suitable tap wrench, maintain steady, perpendicular alignment, and apply light lubrication to optimize life and finish—especially important when working with harder materials or deeper holes.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIdeal for hobby machinists, maintenance technicians, and professional workshops, this left‑hand M12x1.5 tap is perfect for creating secure, reverse‑threaded connections in brackets, housings, or components where right‑hand taps would not hold. Its robust construction and precise geometry deliver dependable performance across multiple projects, from prototypes to production runs.\u003c\/p\u003e \u003cp\u003eTip: When tapping with a bottom‑lead, start with light pressure to seat the tool, then advance gradually while keeping the workpiece steady and well‑lubricated. Regularly clean chips to maintain a smooth cutting edge and accurate thread formation.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Wiseman","offers":[{"title":"Default Title","offer_id":40277205549134,"sku":"T13055LH2P","price":29.13,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/t10155lh2p_35eba6c2-5cd7-4552-a33d-d0716659c3f9.png?v=1693995817"},{"product_id":"t13105lh2p","title":"Wiseman Threading Tools Bottom Lead Metric HSS Tap Left Hand - M12x1.75","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/wiseman.png?v=1657700949\"\u003e\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eWiseman Threading Tools Bottom Lead Metric HSS Tap Left Hand – M12x1.75\u003c\/strong\u003e is a precision-engineered tapping solution built for dependable left-hand threading in metalwork. This high speed steel ground tap is uncoated, offering efficient cutting and strong performance across a range of materials while adhering to ISO 529 dimensions for consistent results every time.\u003c\/p\u003e \u003ch3\u003eKey features that make this tap stand out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eLeft-hand thread, M12x1.75 (ISO 529):\u003c\/strong\u003e Designed for reverse-thread applications where a left-handed fastener or component requires an internal thread with exacting tolerances.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBottom lead design (UK Plug lead):\u003c\/strong\u003e The bottom-leading geometry feeds smoothly into the hole, improving penetration and reducing chatter, especially in through-holes or deeper workpieces.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHigh-speed steel, ground, uncoated:\u003c\/strong\u003e A robust, sharp cutting edge provides fast material removal and reliable thread formation without the interference of a coating, ideal for general-purpose use.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMetric precision:\u003c\/strong\u003e M12x1.75 is a common metric thread standard, making this tap a practical addition to any workshop for left-hand threading tasks across automotive, machinery, and fabrication projects.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eISO 529 compliant:\u003c\/strong\u003e Consistent thread profiles that align with international tolerances, ensuring compatibility with nuts, fittings, and assemblies designed to ISO standards.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhat problems does it solve?\u003c\/h3\u003e\n\u003cp\u003eThis tap delivers clean, accurate internal threads when reverse threading is required, eliminating guesswork and rework. The bottom-lead geometry reduces entry resistance, helping operators start threads with less effort and achieving reliable hole threading even in challenging materials. Its uncoated HSS construction handles recurring use in workshop environments, making it a dependable choice for repairs, prototyping, or routine maintenance where left-handed threads appear.\u003c\/p\u003e \u003ch3\u003eWho is it ideal for?\u003c\/h3\u003e\n\u003cp\u003eMachinists, fabricators, and DIY enthusiasts who routinely encounter left-hand threaded fasteners or components. It’s especially valuable in repair scenarios, equipment maintenance, and small-to-medium batch production where accuracy and repeatability matter. If your project calls for ISO 529 compliant left-hand threads in metric sizes, this Wiseman tap is a practical, years-proven option.\u003c\/p\u003e \u003ch3\u003ePractical usage tips\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003ePartner with a standard tap wrench or a machinist’s T-handle for precise control.\u003c\/li\u003e \u003cli\u003eUse cutting fluid or tapping oil to reduce heat and extend tool life, especially in harder metals.\u003c\/li\u003e \u003cli\u003eStep back and clear chips regularly to maintain smooth cutting progress and prevent binding.\u003c\/li\u003e \u003cli\u003eAvoid excessive force; let the tap advance steadily to preserve thread integrity and tool life.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eEquip your toolkit with the Wiseman Threading Tools Bottom Lead Metric HSS Tap Left Hand – M12x1.75 and experience reliable, repeatable left-hand threading that meets ISO standards and stands up to real-world workshop demands.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Wiseman","offers":[{"title":"Default Title","offer_id":40277205581902,"sku":"T13105LH2P","price":23.71,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/t10155lh2p_00688d2e-badb-4fed-bb19-6cc1f5aff878.png?v=1693995820"},{"product_id":"t13205lh2p","title":"Wiseman Threading Tools Bottom Lead Metric HSS Tap Left Hand - M13x1","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/wiseman.png?v=1657700949\"\u003e\u003c\/p\u003e The Wiseman Threading Tools Bottom Lead Metric HSS Tap Left Hand - M13x1 is a purpose-built, high-precision tool designed for cutting metric left‑hand threads with reliability and ease. Crafted from high-speed steel and ground for accuracy, this uncoated tap delivers consistent thread quality across a range of materials, making it a trusted choice for professional workshops and serious hobbyists alike. It adheres to ISO 529 dimensions, ensuring compatibility with standard tooling and components. What sets this tap apart\n- Left-hand thread capability: engineered to cut reverse threads, ideal for assemblies where loosening must be prevented as the part is secured. This reverse-threading capability is a deliberate, machine-appropriate choice for certain fasteners and applications. - Bottom lead design: provides a robust finishing path that reaches near the bottom of the hole, helping to form a full-depth thread in a single operation without requiring excessive tapping passes. This design choice supports cleaner starts and more reliable thread engagement. - ISO 529 compliant: the M13x1 size follows standardized tapping dimensions, giving you confidence in fit and thread integrity when paired with compatible components. - General-purpose, uncoated HSS: the tool is built for versatility, able to cut threads in a variety of metals and plastics with appropriate cutting fluid as needed. The uncoated finish provides predictable behavior across common workshop materials. Designed for precise, dependable threading\n- Size and form: M13x1 means a 13 mm major diameter with a 1 mm pitch, a common metric fine-thread standard for smaller fasteners and assemblies. The left-hand orientation is essential when the application requires reverse threading to prevent loosening due to rotation. - Material and build: ground high-speed steel ensures sharp cutting edges and durability under hand tapping conditions, making it suitable for repeated use in workshop environments. - Compatibility mindset: because the tap follows ISO 529 dimensions, it pairs smoothly with taps, dies, fixtures, and components designed to the same standard, reducing guesswork in tool selection. Ideal use cases\n- Repair and fabrication projects involving left-handed fasteners or threaded components that require reverse-threaded engagement.\n- Maintenance on machinery, automotive, and engineering assemblies where left-hand threads are specified, and precise internal threading is needed.\n- Hobbyist projects that demand dependable M13x1 left-hand threads in metal housings, brackets, or enclosures where a robust bottom-entry thread is desired. Practical tips for best results\n- Always pair with an appropriate tapping handle or wrench for steady, controlled rotation. Keep the workpiece secure and coaxial to the tapping axis to preserve thread alignment.\n- Begin with a clean, properly sized pilot hole and use cutting fluid suitable for the workpiece material to reduce friction and extend tool life.\n- For through holes, the bottom lead helps approach full thread depth efficiently; for blind holes, ensure adequate screw access and depth to achieve the intended engagement. In short, the Wiseman Bottom Lead Metric HSS Tap Left Hand - M13x1 is a specialized, reliable choice for engineers and makers who need precise left-hand threads in metric size. Its combination of left-hand capability, bottom lead design, ISO 529 compliance, and robust HSS construction makes it a practical, long-lasting addition to any tapping toolkit.\u003c\/div\u003e","brand":"Wiseman","offers":[{"title":"Default Title","offer_id":40277205614670,"sku":"T13205LH2P","price":63.84,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/t10155lh2p_8f674681-b67c-4a35-8a8c-0f186989b04f.png?v=1693995824"},{"product_id":"t13505lh2p","title":"Wiseman Threading Tools Bottom Lead Metric HSS Tap Left Hand - M14x1","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Wiseman Threading Tools Bottom Lead Metric HSS Tap Left Hand - M14x1, a precision-ground tool designed for reliable, clean internal threading in metal. Built to ISO 529 dimensions, this left-hand thread tap is engineered for accuracy, consistency, and long-term performance in everyday workshop projects.\u003c\/p\u003e \u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/wiseman.png?v=1657700949\"\u003e\u003c\/p\u003e \u003ch3\u003eWhy this left-hand HSS tap stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eLeft-hand threading capability:\u003c\/strong\u003e Specifically designed to cut left-handed internal threads. When you need a fastener that tightens in the opposite direction, this tap provides controlled cutting action in the correct rotation, reducing thread distortion and improving fit.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBottom lead geometry:\u003c\/strong\u003e The bottom lead design aids starting in blind or deep holes and promotes full-thread engagement from the first cut. This minimizes wandering and helps achieve true, concentric threads with less drive torque.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHigh-speed steel, uncoated:\u003c\/strong\u003e Ground HSS delivers durable relief angles and precise thread profiles. The uncoated finish keeps compatibility with a wide range of lubricants and workpiece materials, making it a versatile general-purpose tapping solution.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMetric accuracy, ISO 529:\u003c\/strong\u003e The M14x1 specification aligns with standard metric threads, ensuring compatibility with mated components and compatible taps across machines and suppliers.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eGeneral-purpose performance:\u003c\/strong\u003e Ideal for automotive, machinery, and workshop applications where right-hand tools aren’t suitable. Use for creating or repairing left-handed internal threads in steel, aluminum, and other common metals.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePractical, reliable design:\u003c\/strong\u003e Built for everyday use in professional shops and serious hobby setups, delivering consistent thread quality and repeatable results across multiple holes and projects.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eUse cases and practical tips\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eWhen you need a left-handed threaded boss or nut to secure a component, the M14x1 tap is ready to perform with precision and control.\u003c\/li\u003e \u003cli\u003ePrepare the hole with a suitable pilot drill, then apply a light coat of cutting fluid or oil to reduce heat and extend tool life during tapping.\u003c\/li\u003e \u003cli\u003eRotate in the correct direction for left-hand threads (opposite of standard right-hand taps) and advance with steady, controlled steps to maintain alignment and thread integrity.\u003c\/li\u003e \u003cli\u003eClean the hole and inspect the thread depth after tapping to ensure full engagement and proper seating of fasteners.\u003c\/li\u003e \u003cli\u003eStore in a dry, organized environment to preserve edge geometry and avoid corrosion when not in use.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWho benefits most\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMachinists and technicians working with left-hand fasteners or assemblies that require reverse-thread engagement.\u003c\/li\u003e \u003cli\u003eRepair professionals needing a reliable tool to restore or create precise left-handed internal threads in a range of metals.\u003c\/li\u003e \u003cli\u003eEnthusiasts and workshops seeking a robust, general-purpose tapping solution that remains effective across common material types.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Wiseman","offers":[{"title":"Default Title","offer_id":40277205647438,"sku":"T13505LH2P","price":68.63,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/t10155lh2p_c33b4fa1-99ed-4c91-8bc4-021077049d76.png?v=1693995827"},{"product_id":"t13555lh2p","title":"Wiseman Threading Tools Bottom Lead Metric HSS Tap Left Hand - M14x1.25","description":"\u003cdiv\u003e\n\u003cp\u003ePrecision threading meets everyday practicality with the Wiseman Threading Tools Bottom Lead Metric HSS Tap Left Hand - M14x1.25. This high-speed steel ground tap is designed for smooth, reliable cutting in a variety of metalworking tasks, delivering clean, accurate threads every time. Uncoated by design, it relies on proper lubrication and steady technique to achieve optimal results across standard applications.\u003c\/p\u003e \u003cp\u003eKey features that set this tap apart:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eLeft-hand thread\u003c\/strong\u003e for reverse-thread applications, bolt removal in dedicated assemblies, or installations that require a left-handed engagement.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBottom lead geometry\u003c\/strong\u003e provides easier entry and better alignment in through-holes, reducing the risk of cross-threading and chatter.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHigh-speed steel (HSS), ground precision\u003c\/strong\u003e ensuring sharp cutting edges and tight tolerance control for dependable performance.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eISO 529 compliant, metric size\u003c\/strong\u003e M14x1.25, so it integrates smoothly with compatible taps and fasteners in professional shops and DIY setups.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eUncoated finish\u003c\/strong\u003e optimized for general-purpose threading with appropriate cutting fluid, maximizing material compatibility and chip clearance.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile, general-purpose tap\u003c\/strong\u003e ideal for automotive, machinery maintenance, and equipment repair where left-hand threads or reverse cutting is required.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWhat you can accomplish with this tap\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eCreate or refresh left-handed threads in metal components, ensuring secure, reliable fitment in assemblies that rely on reverse-thread fasteners.\u003c\/li\u003e \u003cli\u003eClean up and repair damaged threads in steel housings, brackets, gears, and fixtures where precision matters and downtime costs add up.\u003c\/li\u003e \u003cli\u003ePerform controlled, manual tapping with a tap wrench or T-handle, backed by cutting fluid to extend tool life and improve finish quality.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eIdeal user and scenarios\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e machinists working on specialty assemblies that require left-hand threads\u003c\/li\u003e \u003cli\u003e automotive technicians addressing reverse-thread components or bolt removals\u003c\/li\u003e \u003cli\u003e DIY enthusiasts tackling metalworking repairs in sheds and home workshops\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eTo maximize performance, pair this tap with a quality tap wrench, apply a light stroke of cutting fluid, and maintain perpendicular alignment to the work surface. Regularly back off to break chips and prevent binding, especially in deeper holes or harder metals. The result is dependable, repeatable thread formation that stands up to real-world use.\u003c\/p\u003e \u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/wiseman.png?v=1657700949\"\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Wiseman","offers":[{"title":"Default Title","offer_id":40277205680206,"sku":"T13555LH2P","price":32.79,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/t10155lh2p_68619da5-b5d6-4ee6-b91d-73253cd6afa8.png?v=1693995830"},{"product_id":"t13605lh2p","title":"Wiseman Threading Tools Bottom Lead Metric HSS Tap Left Hand - M14x1.5","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/wiseman.png?v=1657700949\" alt=\"Wiseman Threading Tools Bottom Lead Metric HSS Tap Left Hand - M14x1.5\"\u003e\u003c\/p\u003e\n\u003cp\u003ePrecision and durability meet in the Wiseman Threading Tools Bottom Lead Metric HSS Tap Left Hand - M14x1.5. This high-speed steel (HSS) tap is ground for clean, accurate internal threads and is intentionally uncoated for versatile performance across a range of metals. Designed to ISO 529 specifications, it delivers reliable thread forms right where you need them, whether you’re finishing a repair, fabricating a new component, or refurbishing equipment that uses left-hand threads.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eWhy this tap stands out\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eHSS ground and uncoated\u003c\/strong\u003e: A robust, sharp cutting tool built for repeated use in steel, aluminum, brass, and more. The uncoated finish provides excellent heat tolerance and straightforward chip control with appropriate cutting fluids.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eLeft-hand thread with bottom lead\u003c\/strong\u003e: Specifically engineered for left-handed fasteners and reverse-thread assemblies. The bottom lead design initiates the thread from the bottom of the hole, enabling full-depth threads in fewer passes for consistent pull-out strength and reliable engagement.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eISO 529 compliant, M14x1.5\u003c\/strong\u003e: Mated to standard hole sizes and nuts, ensuring compatibility and predictable results in both production and repair settings.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eGeneral-purpose, metalworking performance\u003c\/strong\u003e: A versatile tap ideal for hobbyists and professionals alike who need dependable left-handed threading without swapping tools for every job.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003ePractical use and best practices\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFor best results, pair this tap with a compatible tap wrench and cutting fluid. Begin with a centered pilot hole (for M14x1.5, a tapping drill around 12.5 mm is typical) and maintain steady, perpendicular alignment to the workpiece. Take light to moderate cuts, back off to break chips, and carefully reverse direction to release the tool after the thread is formed. The result is a clean, accurate left-handed thread that performs reliably under load.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eIdeal applications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eRepairing or fabricating components that use left-hand threaded fasteners\u003c\/li\u003e \u003cli\u003eInternal threading in steel, cast iron, aluminum, and other common metals\u003c\/li\u003e \u003cli\u003eReverse-threaded assemblies in mechanical systems, equipment maintenance, and automotive work\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eInvest in the Wiseman Threading Tools Bottom Lead Metric HSS Tap Left Hand - M14x1.5 for a trusted, purpose-built solution that delivers repeatable threads and long tool life in everyday metalworking tasks.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Wiseman","offers":[{"title":"Default Title","offer_id":40277205712974,"sku":"T13605LH2P","price":28.33,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/t10155lh2p_5969198d-8f13-4ccd-807c-d0bf09f993a7.png?v=1693995834"},{"product_id":"t13655lh2p","title":"Wiseman Threading Tools Bottom Lead Metric HSS Tap Left Hand - M14x2","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/wiseman.png?v=1657700949\"\u003e\u003c\/p\u003e \u003cp\u003eThe Wiseman Threading Tools Bottom Lead Metric HSS Tap Left Hand - M14x2 is a precision-made left-hand thread tap designed to deliver reliable performance in metalworking projects. Crafted from high-speed steel and ground for a sharp, accurate cutting edge, this tap is uncoated for broad compatibility across a range of metals and cutting fluids. With ISO 529 dimensions, it ensures consistent thread form when creating or repairing M14x2 left-hand threads.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eLeft-hand thread, M14x2\u003c\/strong\u003e – explicitly engineered to cut reverse (left-hand) threads where the fastener tightens in the opposite direction.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBottom lead design\u003c\/strong\u003e – optimized entry and better alignment, helping you start the cut smoothly and reach full thread depth with fewer false starts.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eUncoated HSS, general purpose\u003c\/strong\u003e – ready for use in steel, cast iron, and other common machine shop metals, with compatible cutting fluids for cooler, cleaner cuts.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eISO 529 compliant\u003c\/strong\u003e – ensures compatibility with standard metric components and fittings that rely on precise M14x2 threading.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile tooling\u003c\/strong\u003e – suitable for hand tapping with a tap wrench or integrated into machine tapping setups that handle metric taps.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDurable and precise\u003c\/strong\u003e – a purpose-built tool with refined flute geometry to minimize chatter and deliver consistent thread quality across cuts.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eThis tap is ideal for machinists, workshop professionals, and dedicated DIY enthusiasts who need dependable left-handed threading for reverse-threaded assemblies, self-locking fixtures, or applications where the fastener must resist loosening under vibration. Compared to generic or lower-precision taps, Wiseman’s grounded geometry and strict tolerance control provide cleaner threads, longer tool life, and more predictable results—even in tougher metals.\u003c\/p\u003e \u003cp\u003ePractical tips for best results: use a quality cutting fluid or oil, keep chips cleared with gentle backward turns, and back off periodically to prevent binding. Align the tap square to the hole to avoid cross-threading, then apply steady, even pressure as you cut. With proper care and use, this bottom-lead HSS tap becomes a reliable workhorse for recurring M14x2 left-hand threading tasks.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Wiseman","offers":[{"title":"Default Title","offer_id":40277205778510,"sku":"T13655LH2P","price":28.33,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/t10155lh2p_1f081942-5496-4b1b-afb2-29b442461f35.png?v=1693995837"},{"product_id":"t13905lh2p","title":"Wiseman Threading Tools Bottom Lead Metric HSS Tap Left Hand - M16x1","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/wiseman.png?v=1657700949\"\u003e\u003c\/p\u003e\n\u003cp\u003eThe Wiseman Threading Tools Bottom Lead Metric HSS Tap Left Hand - M16x1 is a precision ground tap built for dependable metric threading in metal. With an uncoated surface and a left-hand thread, this tool is purpose-built for applications that require reverse-rotation fasteners or LH-threaded components, delivering clean, accurate results every time.\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eLeft-hand threading, precise LH taps:\u003c\/strong\u003e Specifically engineered to cut M16x1 left-hand threads, enabling secure reverse-rotation assemblies and confidently disassembling LH-threaded hardware without damage to the workpiece.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBottom lead design:\u003c\/strong\u003e The bottoming\/threaded length engages deeply in the hole, producing threads that extend to the bottom of the bore for maximum engagement and strength in mid- to deep-depth applications.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eISO 529 compliant:\u003c\/strong\u003e Manufactured to ISO 529 dimensions, ensuring consistent fit with standard drill sizes and reliable performance across tools and work setups.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHigh-speed steel, ground, uncoated:\u003c\/strong\u003e HSS delivers rigidity and durability for repetitive tapping, while the uncoated finish reduces sticking in typical shop materials, offering dependable performance at a practical price point.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eGeneral purpose, versatile:\u003c\/strong\u003e Suitable for steel, cast iron, and many alloys in both DIY projects and professional workshops where a LH thread is specified and a robust, long-lasting tap is needed.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePractical compatibility:\u003c\/strong\u003e Designed to work with standard tap wrenches and compatible drilling setups, making it a reliable addition to any threading toolkit.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eUse guidance for best results: select the appropriate pilot hole size for M16x1 LH threading, apply cutting fluid to reduce heat and improve chip evacuation, and advance the tap steadily with regular back‑off to break chips. For critical assemblies, verify thread engagement with a test fit before final assembly to ensure smooth operation and reliable fastening.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Wiseman","offers":[{"title":"Default Title","offer_id":40277205811278,"sku":"T13905LH2P","price":45.83,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/t10155lh2p_4b6609d2-66e0-4de1-8083-76c2240f58b0.png?v=1693995840"},{"product_id":"t14005lh2p","title":"Wiseman Threading Tools Bottom Lead Metric HSS Tap Left Hand - M16x1.5","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/wiseman.png?v=1657700949\"\u003e\u003c\/p\u003e\n\u003cp\u003eThe Wiseman Threading Tools Bottom Lead Metric HSS Tap Left Hand - M16x1.5 is a precision ground hand tap designed for dependable, long‑lasting performance in metalworking projects. Built from high-speed steel and delivered uncoated for versatile cutting across a range of ferrous and non‑ferrous materials, this tap delivers clean, accurate threads with every pass.\u003c\/p\u003e \u003ch3\u003eWhy this left‑hand HSS tap stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eLeft‑hand thread, M16x1.5\u003c\/strong\u003e: perfect for applications that require reverse threading or where components use a left‑hand fastener. It’s a purpose‑built solution for maintenance, repair, or production that demands a reverse thread.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBottom lead design\u003c\/strong\u003e: engineered to advance more of the thread with fewer starts, providing deeper engagement in blind or through holes. This reduces tapping time and helps achieve consistent thread depth from the first cut.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eISO 529 dimensions\u003c\/strong\u003e: conforming to standard metric thread geometry ensures compatibility with mating parts and fasteners you already use in your shop or workshop.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHigh speed steel ground, uncoated\u003c\/strong\u003e: a robust cutting edge that handles a variety of metals with reliable wear resistance. The uncoated finish keeps cutting action predictable and straightforward when using standard cutting fluids.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eGeneral purpose, ready for everyday use\u003c\/strong\u003e: a versatile choice for maintenance, repairs, and light production runs where consistent thread quality matters as much as tool life.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePractical, maker‑friendly workflow\u003c\/strong\u003e: pair with a standard tap wrench, apply a suitable cutting fluid, and back off regularly to clear chips. The result is smoother tapping, fewer breakages, and more reliable threads in durable components.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eRepairing or creating left‑hand threaded fasteners in machinery housings, drive components, or fixtures.\u003c\/li\u003e \u003cli\u003eRetrofitting or fabricating assemblies where reverse threading is required for safe disassembly or specific mechanical functions.\u003c\/li\u003e \u003cli\u003eGeneral metalworking projects in steel, cast iron, aluminum, and non‑ferrous alloys where a precise M16x1.5 left‑hand thread is needed.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eSpecifications at a glance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eThread form\u003c\/strong\u003e: Metric, left‑hand\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSize\u003c\/strong\u003e: M16\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePitch\u003c\/strong\u003e: 1.5 mm\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eLead type\u003c\/strong\u003e: Bottom Lead Tap\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: High Speed Steel (HSS)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFinish\u003c\/strong\u003e: Uncoated\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eStandard\u003c\/strong\u003e: ISO 529\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWith its durable construction and thoughtful bottom‑lead geometry, this Wiseman HSS tap is a reliable partner for technicians who need precise left‑hand threads without fuss. Whether you’re performing routine maintenance, repairing an old assembly, or undertaking a small‑batch fabrication, this tap delivers consistent thread quality, predictable performance, and lasting value. \u003c\/p\u003e\n\u003c\/div\u003e","brand":"Wiseman","offers":[{"title":"Default Title","offer_id":40277205844046,"sku":"T14005LH2P","price":34.76,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/t10155lh2p_fc812220-40d6-4553-88b0-fdfb1ba8cbec.png?v=1693995843"},{"product_id":"t14105lh2p","title":"Wiseman Threading Tools Bottom Lead Metric HSS Tap Left Hand - M16x2","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/wiseman.png?v=1657700949\"\u003e\u003c\/p\u003e \u003cp\u003eIntroduce precision to your threading projects with the Wiseman Threading Tools Bottom Lead Metric HSS Tap Left Hand - M16x2. This high-speed steel (HSS) ground tap is engineered for reliable internal threading with a focus on accuracy, durability, and consistent results across a range of metals. Uncoated for straightforward cutting performance, it adheres to ISO 529 dimensions and is specifically designed for left-hand threads and bottoming depth.\u003c\/p\u003e \u003ch2\u003eKey features that deliver dependable, repeatable results\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eLeft-hand thread, M16x2\u003c\/strong\u003e – precisely cut internal threads with a reverse-rotation pairing suitable for left-handed fasteners used in certain assemblies.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBottom lead (bottoming) design\u003c\/strong\u003e – optimized to reach full thread depth in blind or deep holes, minimizing the need for multiple passes and improving finish in the bottom portion of the hole.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHigh-speed steel, ground finish\u003c\/strong\u003e – a robust, sharp-cutting tap that maintains edge life under typical metalworking conditions, delivering clean, accurate threads.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eUncoated for general purpose use\u003c\/strong\u003e – a straightforward, versatile choice that’s easy to sharpen, resharpen, and lubricate with common cutting fluids.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eISO 529 compliant\u003c\/strong\u003e – built to standardized dimensions, ensuring compatibility with other metric tools and fasteners used in professional workshops and DIY setups.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWhy this tap stands out\u003c\/h2\u003e\n\u003cp\u003eWhen you’re threading into materials to install left-hand fasteners, precision matters. The Wiseman M16x2 left-hand HSS tap is designed to deliver tight tolerances and smooth thread profiles with fewer deflections or chatter, thanks to its carefully ground geometry and reliable material quality. The bottom lead design means you can approach deeper holes with confidence, reducing the need for rework and helping you complete projects faster.\u003c\/p\u003e \u003ch2\u003eIdeal use cases\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eMachining internal threads in mild steel, aluminum, brass, and other common metals where a left-hand fastener is required.\u003c\/li\u003e \u003cli\u003eRepairs or retrofits in machinery and equipment that use left-handed metric fasteners for anti-rotation or vibration-resistant assemblies.\u003c\/li\u003e \u003cli\u003ePrototyping or production runs where precise, repeatable tap performance is essential for consistent part quality.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003ePractical usage tips\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eSecure the workpiece in a sturdy drill press or tapping cradle with steady clamping to maintain alignment.\u003c\/li\u003e \u003cli\u003eUse a quality cutting fluid or oil appropriate for the material being threaded to reduce heat and extend tool life.\u003c\/li\u003e \u003cli\u003eStart with light, even pressure and advance gradually, periodically backing off to clear chips and prevent binding.\u003c\/li\u003e \u003cli\u003eClean the hole and inspect the finished threads for a clean, true profile before assembly with the corresponding left-hand fasteners.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWho will benefit\u003c\/h2\u003e\n\u003cp\u003eEngineers, machinists, and DIY enthusiasts working on projects that require reliable left-hand internal threads in metric sizes will appreciate the predictability and depth capability of this Wiseman tap. It’s a practical, ready-to-use tool for precision-focused threading tasks where performance and consistency matter most.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Wiseman","offers":[{"title":"Default Title","offer_id":40277205876814,"sku":"T14105LH2P","price":37.64,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/t10155lh2p_7bfea733-1a74-442e-9bdc-298579d03dc8.png?v=1693995846"},{"product_id":"t14155lh2p","title":"Wiseman Threading Tools Bottom Lead Metric HSS Tap Left Hand - M17x1","description":"\u003cdiv\u003e\n\u003cp\u003eThe Wiseman Threading Tools Bottom Lead Metric HSS Tap Left Hand - M17x1 is a precision ground tap built for reliability in metalworking applications that require left-handed threading. Crafted from high-speed steel, this tap is uncoated for quick heat dissipation and robust cutting performance, delivering consistent thread quality across reputable ISO 529 dimensions.\u003c\/p\u003e \u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/wiseman.png?v=1657700949\"\u003e\u003c\/p\u003e \u003ch2\u003eKey features that matter in practice\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eLeft-hand thread chemistry\u003c\/strong\u003e: Designed to cut reverse-threads, ideal for installations or disassembly scenarios where standard right-hand taps aren’t suitable.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eM17x1 metric\u003c\/strong\u003e with \u003cstrong\u003ebottom lead\u003c\/strong\u003e: Optimized for dependable start and smooth progression into the workpiece, reducing chatter during the initial engagement.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHigh-speed steel (HSS)\u003c\/strong\u003e ground finish: Delivers sharp, clean cuts with lasting durability for frequent use in steel, aluminum, and other common metals.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eUncoated\u003c\/strong\u003e for broad compatibility: No coating interference with coatings on workpieces or tapping fluids, giving you controlled chip formation and easier material removal.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eISO 529 compliant\u003c\/strong\u003e: Ensures compatibility with standard metric threads and predictable performance in professional setups.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eGeneral-purpose threading tool\u003c\/strong\u003e: A versatile option for both repair work and new left-hand thread installations where precision matters.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBottom lead design\u003c\/strong\u003e supports a confident start in tight or hard-to-reach holes, helping you maintain alignment as threads form.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhat problems this tap solves\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eCreating or repairing left-hand threads in metal components where reversing motion is required to secure or remove fasteners.\u003c\/li\u003e \u003cli\u003eAchieving clean, consistent threads in limited-access or awkward positions, thanks to the bottom lead geometry that guides the cutting action.\u003c\/li\u003e \u003cli\u003eMaintaining thread integrity in ISO 529-compliant M17x1 holes without the risk of coating interference.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal for who and where\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMachinists, automotive technicians, and metalworkers who routinely encounter left-hand fasteners or reverse-thread assemblies.\u003c\/li\u003e \u003cli\u003eWorkshop environments that prioritize durable, versatile tools for general-purpose threading tasks.\u003c\/li\u003e \u003cli\u003eProjects involving medium to hard metals where dependable threading with minimal tool wear is essential.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eHow to get the best results\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eSecure the workpiece firmly and use appropriate tapping fluid to reduce friction and heat buildup.\u003c\/li\u003e \u003cli\u003eBegin the cut with a steady, controlled motion in the left-hand direction to establish clean engagement.\u003c\/li\u003e \u003cli\u003eApply light to moderate pressure and maintain a consistent feed to minimize tool chatter and extend tap life.\u003c\/li\u003e \u003cli\u003eClear chips regularly and avoid forcing the tap—if resistance increases, back the tap out slightly to relieve the cut, then reapply.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCare and maintenance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eKeep the tap clean and dry after use to prevent corrosion and buildup on the flutes.\u003c\/li\u003e \u003cli\u003eStore in a dry, organized tool chest or case to protect the cutting edges from impact and contamination.\u003c\/li\u003e \u003cli\u003eInspect for dullness or chipping before reuse; a sharp, well-maintained tap yields the best thread quality.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eChoose the Wiseman Threading Tools Bottom Lead Metric HSS Tap Left Hand - M17x1 for dependable left-handed threading that performs consistently across a range of metals. Built for precision, durability, and practical versatility in professional and enthusiast workshops alike.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Wiseman","offers":[{"title":"Default Title","offer_id":40277205909582,"sku":"T14155LH2P","price":56.45,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/t10155lh2p_5e0a5257-c725-4966-80dd-713353a67169.png?v=1693995850"},{"product_id":"t14305lh2p","title":"Wiseman Threading Tools Bottom Lead Metric HSS Tap Left Hand - M18x1","description":"\u003cdiv\u003e\n\u003cp\u003eThe Wiseman Threading Tools Bottom Lead Metric HSS Tap Left Hand - M18x1 is a precision, general-purpose tapping solution designed for reliable left-hand threading in metalworking projects. Ground from high-speed steel and uncoated for broad compatibility, this tap delivers steady performance across a range of materials while maintaining exact ISO 529 dimensions.\u003c\/p\u003e \u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/wiseman.png?v=1657700949\" alt=\"Wiseman Threading Tap\"\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eLeft-hand thread\u003c\/strong\u003e: specifically engineered to cut reverse threads, ideal for applications where a left-hand fastener or reverse-rotation assembly is required.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBottom lead design\u003c\/strong\u003e: starting geometry that promotes clean engagement and smoother cutting progression, helping to reduce cross-threading and chatter in deeper holes.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHigh-speed steel (HSS), ground finish\u003c\/strong\u003e: delivers sharp chisel-edge geometry for efficient material removal and long tool life in common metals.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eUncoated, general purpose\u003c\/strong\u003e: versatile for use with standard cutting fluids and in a wide range of shop conditions without the need for special coatings.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMetric, ISO 529 compliant\u003c\/strong\u003e: M18x1 thread form that aligns with industry standards, ensuring compatibility with compatible fixtures, taps, and components.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eDesigned for machinists, fabricators, and repair technicians, this left-hand tap is perfect for installing or repairing components that require reverse-threaded fasteners, such as certain mechanical housings, gear assemblies, and specialized fittings. Its robust HSS construction and bottom lead geometry make it a dependable choice for both new work and maintenance tasks where precise, repeatable threads are essential.\u003c\/p\u003e \u003cp\u003ePractical tips for best results: use an appropriate tapping fluid to reduce friction, start the hole with a correctly sized pilot or drill bit, and back off intermittently to clear chips. This approach helps extend tool life and maintains thread accuracy in demanding materials.\u003c\/p\u003e \u003cp\u003eEquip your workshop with the Wiseman left-hand thread tap to handle reverse-threaded projects with confidence. \u003c\/p\u003e\n\u003c\/div\u003e","brand":"Wiseman","offers":[{"title":"Default Title","offer_id":40277205942350,"sku":"T14305LH2P","price":55.07,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/t10155lh2p_a4ed0785-cb37-4d02-bb12-8dcf6f4aa82d.png?v=1693995853"},{"product_id":"t14405lh2p","title":"Wiseman Threading Tools Bottom Lead Metric HSS Tap Left Hand - M18x1.5","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/wiseman.png?v=1657700949\" alt=\"Wiseman Threading Tools Bottom Lead Metric HSS Tap Left Hand - M18x1.5\"\u003e\u003c\/p\u003e \u003ch2\u003eWiseman M18x1.5 Left-Hand HSS Tap with Bottom Lead\u003c\/h2\u003e\n\u003cp\u003eEngineered for precision threaded performance, this Wiseman Threading Tools bottom lead metric tap cuts true left-handed threads in metal with dependable consistency. Crafted from high-speed steel and meticulously ground, it offers a robust, uncoated option that delivers reliable cutting action across a range of standard metals. The ISO 529 dimensions ensure your tooling fits standard nuts, fittings, and components without guesswork. Designed for applications where the fastener must tighten against rotation in the opposite direction, this tap is a staple for specialized machining, repair work, and challenging assemblies.\u003c\/p\u003e \u003ch3\u003eKey features that matter\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eThread direction: Left-hand — ideal for anti-clockwise tightening scenarios and specialty fasteners.\u003c\/li\u003e \u003cli\u003eSize and pitch: Metric M18 x 1.5 for a common, widely used left-handed thread pattern.\u003c\/li\u003e \u003cli\u003eLead geometry: Bottom lead design supports deeper thread formation and consistent engagement in blind holes.\u003c\/li\u003e \u003cli\u003eMaterial and finish: High-Speed Steel (HSS), ground to tight tolerances, uncoated for versatile cutting performance.\u003c\/li\u003e \u003cli\u003eStandards: ISO 529 compliant to ensure compatibility with standard hardware and tooling ecosystems.\u003c\/li\u003e \u003cli\u003eGeneral purpose use: A reliable, all-rounder tap suitable for a variety of metalworking projects in workshops and labs.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this left-hand tap matters\u003c\/h3\u003e\n\u003cp\u003eNot all threading tasks are right-handed. When a project requires a left-hand thread—whether for specific mechanical load paths, reverse-thread fasteners, or disassembly considerations—this Wiseman tap provides predictable control and dependable cutting action. The combination of HSS material, ground geometry, and bottom lead design helps you achieve clean thread forms with fewer passes, saving time on each job and reducing the risk of thread damage in harder metals.\u003c\/p\u003e \u003ch3\u003eIdeal use scenarios\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMachining blocks, housings, and fixtures that require left-handed fasteners for secure, controlled assembly.\u003c\/li\u003e \u003cli\u003eRepair work where re-cutting a left-hand thread is necessary to restore function.\u003c\/li\u003e \u003cli\u003ePrototyping and manufacturing environments where standard metric left-handed threads (M18x1.5) are part of the design.\u003c\/li\u003e \u003cli\u003eDIY workshops tackling medium-strength metals where an uncoated, versatile tap is preferred for easy lubrication and sharpening.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eUsage tips for best results\u003c\/h3\u003e\n\u003col\u003e \u003cli\u003eSecure the workpiece firmly and align the tap perpendicular to the hole axis to prevent thread misalignment.\u003c\/li\u003e \u003cli\u003eApply a quality tapping lubricant to reduce heat, prolong tool life, and improve thread finish.\u003c\/li\u003e \u003cli\u003eBegin cutting with controlled, counterclockwise turns. Avoid forcing the tap; let the geometry guide the cut.\u003c\/li\u003e \u003cli\u003eMaintain steady pressure through the entire depth, then back out slightly to break chips and clear the channel.\u003c\/li\u003e \u003cli\u003eConclude with a light lubrication pass to finish the thread and minimize galling in the final portion.\u003c\/li\u003e\n\u003c\/ol\u003e \u003ch3\u003eSpecifications at a glance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMaterial: High Speed Steel (HSS), ground\u003c\/li\u003e \u003cli\u003eFinish: Uncoated\u003c\/li\u003e \u003cli\u003eThread direction: Left-hand\u003c\/li\u003e \u003cli\u003eThread size: M18 x 1.5\u003c\/li\u003e \u003cli\u003eLead: Bottom lead\u003c\/li\u003e \u003cli\u003eStandard: ISO 529 compatible\u003c\/li\u003e \u003cli\u003eApplication: General purpose threading in metal\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Wiseman","offers":[{"title":"Default Title","offer_id":40277205975118,"sku":"T14405LH2P","price":46.6,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/t10155lh2p_ed112d58-73c8-42a3-b5ed-5ee2c673998c.png?v=1693995856"},{"product_id":"t14455lh2p","title":"Wiseman Threading Tools Bottom Lead Metric HSS Tap Left Hand - M18x2","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/wiseman.png?v=1657700949\"\u003e\u003c\/p\u003e \u003cp\u003eIntroducing the Wiseman Threading Tools Bottom Lead Metric HSS Tap Left Hand – M18x2. This high-speed steel ground tap is built for precision, durability, and reliable performance when you need clean, accurate internal threads with a left-hand configuration. Uncoated by design, it invites your preferred cutting fluids and lubricants to optimize chip formation and tool life, delivering consistent results batch after batch.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eLeft-hand thread, M18x2\u003c\/strong\u003e: ideal for applications where the fastener should tighten in reverse, providing secure, anti-loosening performance in equipment and assemblies that require a reverse-threaded fit.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBottom lead design\u003c\/strong\u003e: engineered to start and progress threads smoothly into deeper holes, reducing misalignment and improving finish on longer engagements.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eISO 529 compliant dimensions\u003c\/strong\u003e: ensures compatibility with standard metric nuts and threaded holes across global manufacturers, simplifying replacements and repairs.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHigh-speed steel (HSS) ground finish\u003c\/strong\u003e: delivers tight pitch accuracy and dependable cutting action, with an uncoated surface that accommodates your preferred lubrication strategy.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eGeneral-purpose, durable tool\u003c\/strong\u003e: a versatile tapping solution for automotive, industrial maintenance, machinery builds, and heavy-duty metalworking projects requiring precise left-handed threads.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eUse case scenarios include repairing or fabricating components with reverse-threaded fasteners, creating left-hand threaded jacks, fittings, or adaptors, and performing maintenance on machinery where a left-hand thread is specified. Pair this tap with a compatible tap wrench or a machine-driven tapping setup, apply appropriate cutting fluid, and follow steady, graduated passes to achieve clean, compliant threads without chatter.\u003c\/p\u003e \u003cp\u003eIdeal for professional machinists, workshop technicians, and serious DIY enthusiasts who demand reliable performance from a single, purpose-built tapping tool for metric M18x2 left-hand threads.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Wiseman","offers":[{"title":"Default Title","offer_id":40277206007886,"sku":"T14455LH2P","price":57.21,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/t10155lh2p_098882fb-9de0-4b1f-96c9-9337567a29c3.png?v=1693995860"},{"product_id":"t14505lh2p","title":"Wiseman Threading Tools Bottom Lead Metric HSS Tap Left Hand - M18x2.5","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/wiseman.png?v=1657700949\" alt=\"Wiseman Threading Tools Bottom Lead Metric HSS Tap - M18x2.5\"\u003e\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eWiseman Threading Tools Bottom Lead Metric HSS Tap - M18x2.5\u003c\/strong\u003e is a dedicated left-hand thread tap designed for precise reverse-thread machining in metalworking projects. Built to ISO 529 standards, this tool delivers consistent thread profiles across standard practice materials when you need a reverse-threaded fastener or a left-hand component in your assembly. The tool is uncoated and ground for clean cutting action with predictable results, even in challenging metals. \u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eThread direction and size:\u003c\/strong\u003e Metric M18 x 2.5, left-hand thread for reverse engagement. \u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eLead style:\u003c\/strong\u003e Bottom lead (bottoming) design for full-depth threading to the bottom of blind holes. \u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaterial and finish:\u003c\/strong\u003e High-speed steel (HSS), ground thread, uncoated for versatile compatibility across common metals. \u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eStandards:\u003c\/strong\u003e ISO 529 specification ensures interchangeability with other ISO 529 taps and standard tapping practices. \u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplications:\u003c\/strong\u003e Ideal for repair or production tasks requiring left-hand threads—such as counter-rotating fasteners, specialty machinery, and reverse-assembly components. \u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eDesigned for machinists, hobbyists, and engineers who demand reliable left-hand tapping tools, this Wiseman tap integrates into hand tapping setups and small workshop rigs with standard tap wrenches. Its robust HSS composition provides enduring cutting edges and consistent thread form across multiple holes and projects. \u003c\/p\u003e \u003cp\u003e\u003cstrong\u003ePractical tips for best results\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eLubricate with a light tapping fluid to extend tool life and improve chip clearance.\u003c\/li\u003e \u003cli\u003eStart with a gentle touch to prevent cross-threading, then advance with steady, even turns.\u003c\/li\u003e \u003cli\u003eUse a proper tap wrench or guiding fixture to maintain alignment and prevent chatter, especially when working in tight or shallow pockets.\u003c\/li\u003e \u003cli\u003eFor blind holes, the bottom lead ensures full thread depth without breaking through the far side.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhether you’re fabricating a reverse-threaded fastener system, repairing a threaded insert, or completing a precision project that requires a left-hand M18x2.5 thread, this Wiseman bottom-lead HSS tap is built to perform consistently under real-world workshop conditions. The combination of left-hand geometry, ISO-standard dimensions, and a durable uncoated HSS form delivers dependable results across a wide range of metals and applications. \u003c\/p\u003e\n\u003c\/div\u003e","brand":"Wiseman","offers":[{"title":"Default Title","offer_id":40277206040654,"sku":"T14505LH2P","price":46.6,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/t10155lh2p_d44fafe0-22da-4dc1-9e02-7a93a1d0ba82.png?v=1693995863"},{"product_id":"t14655lh2p","title":"Wiseman Threading Tools Bottom Lead Metric HSS Tap Left Hand - M20x1","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Wiseman Threading Tools Bottom Lead Metric HSS Tap Left Hand - M20x1, a precision-engineered tapping solution built for metric, left-hand threads. Crafted from high-speed steel and ground to exacting standards, this tap delivers consistent, clean cuts in a range of metals—uncoated for reliable performance with standard cutting fluids.\u003c\/p\u003e \u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/wiseman.png?v=1657700949\"\u003e\u003c\/p\u003e \u003ch3\u003eKey features that matter in real-world machining\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eMaterial and finish:\u003c\/strong\u003e High-speed steel, ground for accurate geometry, uncoated to work seamlessly with conventional tapping fluids and tools.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThread specification:\u003c\/strong\u003e Left-hand thread in metric size M20x1, ideal for reverse-thread assemblies where tightening occurs counterclockwise.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBottom lead design:\u003c\/strong\u003e Optimizes chip evacuation and thread initiation in deeper holes, reducing chatter and the risk of cross-threading.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eStandards and compatibility:\u003c\/strong\u003e ISO 529 dimensions ensure dependable fit with standard metric holes and nuts, making it a reliable choice for engineers and hobbyists alike.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePurpose and use cases:\u003c\/strong\u003e General-purpose tapping for left-handed applications, including components in UK plug-lead assemblies and other metric hardware that require reverse-threading actions.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this left-hand M20x1 tap stands out\u003c\/h3\u003e\n\u003cp\u003eFor projects where reverse threading is essential, this Wiseman tap provides precise thread relief and robust material removal without the need for multiple tools. The bottom lead geometry accelerates the tapping process in deeper holes, helping you maintain straight, true threads from start to finish. Its uncoated finish keeps compatibility broad, so you can pair it with your preferred cutting fluid and taps setup for dependable results every time.\u003c\/p\u003e \u003ch3\u003eIdeal for\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMachinists and metalworkers assembling or repairing left-handed fasteners in metric systems.\u003c\/li\u003e \u003cli\u003eTechnicians working with UK plug-lead components or other equipment that uses M20x1 left-hand threads.\u003c\/li\u003e \u003cli\u003eElectrical and automotive workshops requiring reliable, general-purpose left-hand tapping tools.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eTips for optimal results\u003c\/h3\u003e\n\u003cp\u003eUse a quality cutting fluid or tapping oil, maintain steady feed, and avoid forcing the tap. Let the tool do the work, back off periodically to break chips, and ensure the workpiece is properly clamped to prevent deflection. After tapping, deburr the hole and inspect the thread for uniform depth and finish to guarantee a clean, reliable fit.\u003c\/p\u003e \u003cp\u003eWith the Wiseman Threading Tools Bottom Lead Metric HSS Tap Left Hand - M20x1 in your toolkit, you’ll have a precise, dependable solution for challenging left-hand threaded projects, backed by a trusted name in threading tooling.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Wiseman","offers":[{"title":"Default Title","offer_id":40277206073422,"sku":"T14655LH2P","price":63.61,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/t10155lh2p_0d296eba-8c85-42ea-9d61-1fbf99623d25.png?v=1693995866"},{"product_id":"t14755lh2p","title":"Wiseman Threading Tools Bottom Lead Metric HSS Tap Left Hand - M20x1.5","description":"\u003cdiv\u003e\n\u003cp\u003eThe Wiseman Threading Tools Bottom Lead Metric HSS Tap Left Hand - M20x1.5 is a precision-ground tapping tool built for reliable left-hand threading in metalworking projects. Crafted from uncoated high-speed steel and finished to ISO 529 dimensions, this tap delivers consistent pitch, true straightness, and durable cutting performance when you need reverse-thread capabilities.\u003c\/p\u003e \u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/wiseman.png?v=1657700949\"\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eMaterial and finish:\u003c\/strong\u003e High-speed steel (HSS), ground to tight tolerances, uncoated for versatile use with a range of cutting fluids and metals.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThread specification:\u003c\/strong\u003e Left-hand metric thread, M20x1.5, designed for reverse threading applications and\/reverse-fastener removal scenarios.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eLead and geometry:\u003c\/strong\u003e Bottom lead design enables deeper thread engagement, smoother entry, and efficient chip evacuation for cleaner, more accurate threads.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eStandards and compatibility:\u003c\/strong\u003e ISO 529 dimensions ensure compatibility with standard tooling and fittings; suitable for hand tapping with a tap wrench or for machine-assisted tapping with appropriate tooling.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplications:\u003c\/strong\u003e Ideal for creating or repairing left-hand threads in steel, cast alloys, and other common metals where a reverse thread is required or where quick removal of a fastener is anticipated.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDurability and care:\u003c\/strong\u003e Sharpenable and rebuildable with proper lubrication; store dry to preserve edge life and prevent corrosion.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhether you're retrofitting equipment, performing maintenance on machinery with reverse-threaded components, or fabricating parts that require a left-hand M20x1.5 connection, this Wiseman tap provides dependable performance, precise thread formation, and a straightforward cutting action that techs and fabricators rely on daily.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Wiseman","offers":[{"title":"Default Title","offer_id":40277206138958,"sku":"T14755LH2P","price":53.22,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/t10155lh2p_dd4a9470-6a81-4ba6-95c2-40aae9c7177f.png?v=1693995870"},{"product_id":"t14805lh2p","title":"Wiseman Threading Tools Bottom Lead Metric HSS Tap Left Hand - M20x2","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the Wiseman Threading Tools Bottom Lead Metric HSS Tap Left Hand - M20x2—a purpose-built tool designed for precision threading in metalwork. This High Speed Steel (HSS) ground thread tap is uncoated and general purpose, built to deliver accurate M20x2 threads in a left-hand configuration. With ISO 529 dimensions, it fits standard left-hand thread applications and ensures compatibility with widely used metric hardware.\u003c\/p\u003e \u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/wiseman.png?v=1657700949\"\u003e\u003c\/p\u003e \u003cp\u003eThe left-hand design means you’ll cut threads that tighten in reverse, a common requirement in anti-loosening assemblies or systems where reverse-thread fasteners are used to counteract vibration. The bottom lead geometry is optimized for deeper engagement, enabling efficient threading in blind holes when used with the proper pre-drilled hole and drill\/tap combination.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eLeft-hand M20x2 thread\u003c\/strong\u003e for reverse-tightening applications and anti-rotation setups in mechanical assemblies.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBottoming lead\u003c\/strong\u003e designed to reach near-full thread depth in a single passing stroke when paired with the correct pre-drilled hole.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eISO 529 compliant\u003c\/strong\u003e dimensions ensure consistent fit with standard M20x2 fasteners and taps.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHSS ground tap\u003c\/strong\u003e offers robust performance across metals such as steel, cast iron, and many non-ferrous alloys with proper lubrication.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eUncoated versatility\u003c\/strong\u003e provides reliable cutting action across a range of tooling environments without coating-related effects.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePractical guidance\u003c\/strong\u003e—rotate counterclockwise for left-hand threading, apply appropriate cutting fluid, and use a steady, moderate feed to minimize heat and binding.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIdeal for fabricators, workshop technicians, and serious DIY enthusiasts, this Wiseman tap empowers you to create precise, dependable left-hand threads that stay secure under load. When you need threads that resist loosening in demanding conditions, choose a tool built to exacting standards and backed by the Wiseman name in threading solutions.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Wiseman","offers":[{"title":"Default Title","offer_id":40277206171726,"sku":"T14805LH2P","price":78.48,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/t10155lh2p_e98bbd45-91e4-4412-b5ff-ffa5624bc64c.png?v=1693995873"},{"product_id":"t14855lh2p","title":"Wiseman Threading Tools Bottom Lead Metric HSS Tap Left Hand - M20x2.5","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/wiseman.png?v=1657700949\"\u003e\u003c\/p\u003e \u003cp\u003eMeet the Wiseman Threading Tools Bottom Lead Metric HSS Tap Left Hand – a precision internal threading solution engineered for metric M20x2.5 workpieces. This high-speed steel, ground-thread tap arrives uncoated for reliable heat resistance and consistent cutting action, making it a dependable choice for general-purpose tapping in metalworking projects.\u003c\/p\u003e \u003ch3\u003eWhy this HSS left-hand tap stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eLeft-hand thread, right-angle application:\u003c\/strong\u003e Specifically designed for reverse-threaded components and applications requiring a left-hand engagement, ensuring clean, accurate threads whether you’re assembling or disassembling parts.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMetric accuracy based on ISO 529:\u003c\/strong\u003e The M20x2.5 thread form adheres to ISO 529 tolerances, delivering standardized, interchangeable results across compatible fasteners and housings.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBottom lead geometry:\u003c\/strong\u003e Optimized lead design promotes controlled entry and steady chip evacuation, reducing chatter and aiding starting accuracy in deeper or blind holes.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHigh-speed steel, ground finish:\u003c\/strong\u003e The HSS material provides toughness and wear resistance, while the precision ground threads ensure smooth cutting action and accurate thread form from start to finish.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eUncoated, general purpose:\u003c\/strong\u003e An affordable, versatile option that performs well in a broad range of metal substrates without the extra cost or heat buildup of coatings.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eTapping internal threads in steel, cast iron, or alloy components where a left-hand fastener is required.\u003c\/li\u003e \u003cli\u003eRepair and maintenance tasks on machinery, automotive assemblies, or bespoke projects that rely on metric M20x2.5 left-handed threads.\u003c\/li\u003e \u003cli\u003ePrototyping and small-batch production where quick tooling and dependable performance are essential.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eHow to achieve the best results\u003c\/h3\u003e\n\u003col\u003e \u003cli\u003eSecure the workpiece firmly in a vice or on a tapping platform. Use a compatible tapping chuck or tap handle designed for internal threads.\u003c\/li\u003e \u003cli\u003eApply a quality cutting fluid or anti-seize lubricant to reduce friction and extend tool life.\u003c\/li\u003e \u003cli\u003eBegin with a light, steady turn to establish the thread engagement. Maintain consistent pressure and avoid forcing the tap.\u003c\/li\u003e \u003cli\u003eWhen full thread depth is reached, back the tap out slowly to clear chips and prevent cross-threading or binding.\u003c\/li\u003e\n\u003c\/ol\u003e \u003ch3\u003eWhat you’ll appreciate in your workshop\u003c\/h3\u003e\n\u003cp\u003eFor metalworkers who demand reliability and precision, this Wiseman HSS left-hand tap delivers predictable performance in metric threads. The combination of ISO 529 compliance, bottom lead design, and uncoated HSS construction creates a practical, durable tool that fits naturally into standard tapping workflows. Whether you’re restoring a piece of equipment or fabricating a new component with a left-handed thread, this tap provides confident control and a clean thread every time.\u003c\/p\u003e \u003ch3\u003eSpecifications at a glance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eTool type: Threading tap\u003c\/li\u003e \u003cli\u003eMaterial: High-speed steel (HSS)\u003c\/li\u003e \u003cli\u003eFinish: Uncoated\u003c\/li\u003e \u003cli\u003eThread form: Metric M20x2.5\u003c\/li\u003e \u003cli\u003eThread direction: Left-hand\u003c\/li\u003e \u003cli\u003eLead: Bottom lead\u003c\/li\u003e \u003cli\u003eStandards: ISO 529 dimensions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Wiseman","offers":[{"title":"Default Title","offer_id":40277206204494,"sku":"T14855LH2P","price":72.52,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/t10155lh2p_90c70be6-7ee8-44e4-b809-0530ecf848a2.png?v=1693995876"},{"product_id":"t15055lh2p","title":"Wiseman Threading Tools Bottom Lead Metric HSS Tap Left Hand - M22x1","description":"\u003cdiv\u003e\n\u003cp\u003eThe Wiseman Threading Tools Bottom Lead Metric HSS Tap Left Hand - M22x1 is a precision-tuned tapping solution for metric interior threads in metal components. Built for accuracy and repeatable results, this left-hand thread tap cuts threads that pair with reverse-threaded assemblies and LH fasteners with confidence.\u003c\/p\u003e \u003cp\u003eManufactured from high-speed steel and ground to tight tolerances, the tool delivers clean, consistent threads with minimal work hardening. The uncoated surface is ideal for use with standard cutting fluids, maximizing chip evacuation and reducing friction in the cut.\u003c\/p\u003e \u003cp\u003eKey features at a glance:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLeft-hand thread\u003c\/strong\u003e—designed to cut internal LH threads in M22x1 applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBottom lead geometry\u003c\/strong\u003e—facilitates a smooth start and efficient chip removal in through-holes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eM22x1 metric\u003c\/strong\u003e size with ISO 529 compliant dimensions—ensuring compatibility with standard metric components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-speed steel (HSS), ground\u003c\/strong\u003e for a precise, robust thread profile and longer service life.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUncoated finish\u003c\/strong\u003e for broad compatibility with cutting fluids and conventional tapping setups.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGeneral purpose tapping tool\u003c\/strong\u003e suitable for machine work and DIY projects, including applications such as UK plug lead assemblies and other metric LH-threaded fittings.\u003c\/li\u003e\n\u003cli\u003eDesigned to work with a tap wrench or machine tapping setup, ensuring control and accuracy in line with professional standards.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhether you’re rebuilding gearboxes, fabricating bespoke parts, or repairing LH-threaded components, this M22x1 LH tap provides dependable performance, repeatability, and clean thread formation you can trust when precision matters.\u003c\/p\u003e \u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/wiseman.png?v=1657700949\"\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Wiseman","offers":[{"title":"Default Title","offer_id":40277206237262,"sku":"T15055LH2P","price":78.48,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/t10155lh2p_2a53dd8d-85d8-429c-b152-dcdabce428c8.png?v=1693995879"},{"product_id":"t15155lh2p","title":"Wiseman Threading Tools Bottom Lead Metric HSS Tap Left Hand - M22x1.5","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the Wiseman Threading Tools Bottom Lead Metric HSS Tap Left Hand - M22x1.5. This high-speed steel ground thread tap is a purpose-built solution for creating precise, reliable internal threads with a left-hand pitch. Uncoated for versatile use, it adheres to ISO 529 dimensions and is specifically designed for a clean, accurate M22x1.5 thread every time.\u003c\/p\u003e \u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/wiseman.png?v=1657700949\"\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eMaterial and finish:\u003c\/strong\u003e Premium high-speed steel with a ground finish for strength, rigidity, and consistent thread quality in a wide range of metals.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThread direction:\u003c\/strong\u003e Left-hand thread design for applications requiring reverse-threaded fasteners or components, enabling straightforward assembly and reliable locking behavior.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBottom lead geometry:\u003c\/strong\u003e Bottom lead construction promotes smoother entry and reduced deflection, improving start-up and cutting stability in harder materials.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eISO 529 compliance:\u003c\/strong\u003e Dimensions and fit follow ISO 529 standards, ensuring compatibility with standard M22x1.5 holes and tapping processes.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSize and pitch:\u003c\/strong\u003e M22 outer diameter with a 1.5 mm thread pitch delivers robust, deeper threads suitable for heavy-duty fasteners and high-load applications.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eGeneral purpose performance:\u003c\/strong\u003e Uncoated HSS taps excel in a broad spectrum of metals—steel, cast iron, aluminum, and more—when paired with appropriate lubrication and tapping speeds.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIdeal for workshops, fabrication shops, and maintenance teams tackling left-hand threaded assemblies or reverse-rotation components. Use this tap to create secure, high-integrity internal threads in machine housings, brackets, or structural parts where a left-handed fastener is essential. Pair it with proper pilot hole preparation and illumination, apply cutting fluid to optimize tool life, and advance the tap with steady, even pressure to achieve precise engagement and clean thread depth.\u003c\/p\u003e \u003cp\u003eWhy choose this Wiseman M22x1.5 Left-Hand HSS Tap with Bottom Lead? It combines targeted left-hand threading capability with a durable HSS core and a design that minimizes entry resistance and chatter. The result is dependable thread quality, repeatable performance, and a tool that stands up to the demands of serious metalworking projects.\u003c\/p\u003e \u003cp\u003eWhether you’re repairing a left-handed thread in a critical component or fabricating new parts that require a reverse-threaded fit, this Wiseman tap is purpose-built to deliver accurate results with every cut.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Wiseman","offers":[{"title":"Default Title","offer_id":40277206270030,"sku":"T15155LH2P","price":72.52,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/t10155lh2p_e5823b92-87d9-4837-a877-de863818510f.png?v=1693995882"},{"product_id":"t15255lh2p","title":"Wiseman Threading Tools Bottom Lead Metric HSS Tap Left Hand - M22x2","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/wiseman.png?v=1657700949\"\u003e\u003c\/p\u003e \u003cp\u003eThe Wiseman Threading Tools Bottom Lead Metric HSS Tap Left Hand - M22x2 is a purpose-built tapping solution for precision left-handed threads. Made from high-speed steel and ground for consistent, accurate pitch, this tap is engineered to deliver dependable results in a busy workshop or maintenance setting. With ISO 529 compliant dimensions and a dedicated left-hand thread, it’s ready for reverse-rotation assemblies and reverse-threaded fasteners without sacrificing thread quality.\u003c\/p\u003e \u003cp\u003eCore advantages that set this tool apart:\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eHigh-Speed Steel (HSS) ground tap\u003c\/strong\u003e for durability, wear resistance, and the ability to hold sharp cutting edges through multiple jobs.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eUncoated finish\u003c\/strong\u003e provides robust performance in general-purpose threading with straightforward re-sharpening when needed.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eISO 529 compliant\u003c\/strong\u003e dimensions ensure reliable interoperability with compatible M22x2 components and standard threading practices.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eLeft-hand thread\u003c\/strong\u003e designed for applications requiring reverse-threaded fasteners or reverse-rotation assemblies—ideal for specialized machinery, braking systems, or maintenance tasks where tightening occurs in the opposite direction.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBottom lead\u003c\/strong\u003e geometry aids deeper thread engagement with fewer turns, helping control chip evacuation and reducing chatter in longer hole depths.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWho should consider this tap? It’s a practical choice for metalworkers, fabricators, automotive technicians, and workshop professionals who regularly encounter left-handed threads or need a reliable, single-purpose tool for counterclockwise threading. The M22x2 size makes it suitable for mid- to large-diameter components where precise, clean threads are critical for fit and function.\u003c\/p\u003e \u003cp\u003eUsage notes to get the best results:\u003c\/p\u003e \u003cul\u003e \u003cli\u003ePair the tap with an appropriate pilot hole and use a compatible tapping fluid to reduce friction and heat buildup during cutting.\u003c\/li\u003e \u003cli\u003eBegin engagement with controlled, steady rotation in the direction that corresponds to the left-hand thread; maintain alignment to avoid cross-threading.\u003c\/li\u003e \u003cli\u003eMonitor depth and cut quality, especially in deeper holes, to ensure full thread depth without over-stressing the workpiece.\u003c\/li\u003e \u003cli\u003eAfter tapping, inspect the thread for alignment and run a test fastener to confirm smooth engagement and proper seating.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIn short, the Wiseman HSS Tap in M22x2, with its bottom lead and left-hand threading, provides a reliable, precise solution for specialized threading tasks. It’s a durable, general-purpose tool that stands up to regular use in mechanical, electrical, and industrial environments while delivering clean, accurate threads every time.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Wiseman","offers":[{"title":"Default Title","offer_id":40277206302798,"sku":"T15255LH2P","price":78.48,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/t10155lh2p_95fa7dea-97f7-4a1b-89dc-085f84b6970d.png?v=1693995886"},{"product_id":"t15305lh2p","title":"Wiseman Threading Tools Bottom Lead Metric HSS Tap Left Hand - M22x2.5","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/wiseman.png?v=1657700949\"\u003e\u003c\/p\u003e\n\u003cp\u003eMeet the Wiseman Threading Tools Bottom Lead Metric HSS Tap Left Hand - M22x2.5, a precision tool designed to cut left-handed threads with consistency and control. Crafted from high-speed steel and ground for accuracy, this uncoated tap is built for everyday metalworking tasks and engineered to ISO 529 standards.\u003c\/p\u003e \u003ch3\u003eKey features\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eLeft-hand thread\u003c\/strong\u003e: Specifically designed to cut threads that tighten counterclockwise, ideal for reversing loads or specialized assemblies.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMetric size\u003c\/strong\u003e: M22x2.5 with bottom lead, enabling reliable entry and smoother chip flow in deeper holes.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBottom lead\u003c\/strong\u003e: A starting lead that reduces the chance of thread wobble and helps initiate the cut cleanly, especially in blind holes.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaterial and finish\u003c\/strong\u003e: High speed steel (HSS), ground to tight tolerances, uncoated for broad compatibility and easy re-sharpening or coating if needed.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eStandards\u003c\/strong\u003e: ISO 529 dimensions ensure compatibility with standard female threads and tooling in metric systems.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eGeneral purpose use\u003c\/strong\u003e: A versatile tapping solution for steel, aluminum, cast iron and other common metals in workshops and production lines.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy choose this Wiseman tap\u003c\/h3\u003e\n\u003cp\u003eWiseman is known for reliable threading tools that hold tolerance and deliver dependable performance across jobs. This M22x2.5 left-hand tap offers a robust, economical option for left-hand threading tasks, reducing setup time and ensuring compatibility with left-handed nuts and fittings. The uncoated finish keeps prices accessible and allows you to apply your preferred coatings or lubrication for extended tool life.\u003c\/p\u003e \u003ch3\u003ePractical usage tips\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eAlways lubricate with a suitable tapping fluid to minimize heat and friction and to maximize thread quality.\u003c\/li\u003e \u003cli\u003eAlign the workpiece and begin with light, steady turns; let the bottom lead guide the entry to reduce thread misalignment.\u003c\/li\u003e \u003cli\u003eBack off slightly after a few turns to break chips and avoid binding in deeper holes.\u003c\/li\u003e \u003cli\u003eUse a proper tap wrench or drilling\/tapping chuck to maintain straight alignment and prevent tool breakage.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal for\u003c\/h3\u003e\n\u003cp\u003eMachinists, maintenance technicians, hobbyists and workshop engineers who frequently encounter left-hand threaded components or need to create reliable left-handed threads in metal assemblies will find this tap especially valuable. Its compatibility with standard metric threads and ISO 529 dimensions makes it a dependable choice for international projects and European equipment where left-hand running threads are part of the design.\u003c\/p\u003e \u003cp\u003eStore with care, keep sharp, and replace when wear signs appear to maintain precision across many jobs. The Wiseman Threading Tools Bottom Lead Metric HSS Tap Left Hand - M22x2.5 is a focused, capable solution for exacting left-hand threading work in metalworking environments.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Wiseman","offers":[{"title":"Default Title","offer_id":40277206335566,"sku":"T15305LH2P","price":61.64,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/t10155lh2p_7e30a616-0eca-422f-afcf-d559595ce90c.png?v=1693995889"},{"product_id":"t15455lh2p","title":"Wiseman Threading Tools Bottom Lead Metric HSS Tap Left Hand - M24x1","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eWiseman Threading Tools Bottom Lead Metric HSS Tap Left Hand - M24x1\u003c\/strong\u003e is a precision internal-threading solution built for accuracy, durability, and reliable performance in metalworking projects. This high-speed steel ground tap is uncoated, offering predictable cutting action and straightforward lubrication compatibility for a wide range of materials.\u003c\/p\u003e \u003cp\u003eDesigned to cut left-hand threads, this tap is ideal for applications that require reverse-threaded fasteners or components where an anti-rotation fit is part of the design. The \u003cstrong\u003eM24x1\u003c\/strong\u003e size and \u003cstrong\u003eISO 529\u003c\/strong\u003e compliant dimensions ensure compatibility with standard metric tapped holes, giving you confidence in threading accuracy and interchangeability with other ISO-compliant tools.\u003c\/p\u003e \u003cp\u003eThe \u003cstrong\u003ebottom lead\u003c\/strong\u003e geometry enhances engagement and starting stability, helping you begin the cut cleanly in deeper or harder-to-start holes. This makes it particularly effective for tougher metals and for jobs where consistent thread quality is essential from the first turn to the full depth.\u003c\/p\u003e \u003cp\u003eKey features at a glance:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eMaterial: high-speed steel (HSS) for hardness and wear resistance\u003c\/li\u003e \u003cli\u003eCoating: uncoated, offering predictable heat management and clean chip flow with standard threading lubricants\u003c\/li\u003e \u003cli\u003eThread type: left-hand, internal thread\u003c\/li\u003e \u003cli\u003eSize: metric M24x1\u003c\/li\u003e \u003cli\u003eLead: bottom lead design for easier starting and smoother cutting in challenging holes\u003c\/li\u003e \u003cli\u003eCompliance: ISO 529 dimensions for guaranteed compatibility with standard taps\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWho it's for: machinists, metalworkers, repair technicians, and dedicated hobbyists who need dependable left-hand threading capability in a compact, single-tool solution. Use it for repairing or creating left-handed threads in steel, cast iron, and non-ferrous metals, as well as certain plastics when lubrication is appropriate.\u003c\/p\u003e \u003cp\u003ePractical tips for best results: pair this tap with a suitable tap wrench, work with steady feeds, and use a quality threading lubricant to reduce tool wear. Start with a light touch to establish alignment, then progressively advance to the full depth while maintaining an even, clockwise motion when cutting left-hand threads. Always back off periodically to clear chips and prevent binding, especially in deeper holes.\u003c\/p\u003e \u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/wiseman.png?v=1657700949\"\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Wiseman","offers":[{"title":"Default Title","offer_id":40277206368334,"sku":"T15455LH2P","price":86.27,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/t10155lh2p_82453b57-c3ea-494b-bd7e-1e22a0b1f2c8.png?v=1693995892"},{"product_id":"t15555lh2p","title":"Wiseman Threading Tools Bottom Lead Metric HSS Tap Left Hand - M24x1.5","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/wiseman.png?v=1657700949\"\u003e\u003c\/p\u003e \u003cp\u003eMeet the Wiseman Threading Tools Bottom Lead Metric HSS Tap Left Hand - M24x1.5, a purpose-built tapping solution for metalworkers who demand durability, precision, and reliable reverse-threading performance. This is a ground, uncoated high-speed steel tap designed to deliver clean, accurate threads in a variety of metals while conforming to ISO 529 dimensions.\u003c\/p\u003e \u003ch2\u003eKey features that matter in real-world machining\u003c\/h2\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eLeft-hand thread\u003c\/strong\u003e with bottom lead, ideal for finishing or disassembling reverse-threaded assemblies without fighting stubborn fasteners.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eM24x1.5 pitch\u003c\/strong\u003e meets standard metric threading, giving you a predictable, repeatable thread every time.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHigh-speed steel (HSS) ground tap\u003c\/strong\u003e for toughness, rigidity, and consistent thread forms across applications.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eUncoated finish\u003c\/strong\u003e offers straightforward cutting action and easy chip control in a general-purpose tapping context.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eISO 529 dimensions\u003c\/strong\u003e ensure compatibility with standard drill sizes and tooling used in workshop tapping tasks.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBottom lead design\u003c\/strong\u003e helps initiate and progress threads smoothly in deeper holes, reducing entry torque and chatter.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWho will benefit from this tap?\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eProfessional machinists and fabricators who regularly work with metric threads and need reliable left-hand tapping for reverse-engineering or disassembly tasks.\u003c\/li\u003e \u003cli\u003eDIY enthusiasts and hobbyists undertaking precise metal projects where reverse-threaded components are part of the design or repair.\u003c\/li\u003e \u003cli\u003eMaintenance technicians managing equipment with left-hand threaded fasteners that require careful, controlled threading to avoid damage.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical use and best practices\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eEnsure the workpiece material is suitable for HSS taps and that you select the correct pilot\/drill size according to ISO 529 guidelines.\u003c\/li\u003e \u003cli\u003eApply a suitable cutting fluid to minimize heat and improve chip evacuation, especially in tougher metals.\u003c\/li\u003e \u003cli\u003eAlign the tap squarely to the workpiece, then advance slowly with consistent feed to maintain thread integrity.\u003c\/li\u003e \u003cli\u003eFor deeper holes, the bottom-lead geometry can help maintain cutting control and reduce the risk of thread ledge formation.\u003c\/li\u003e \u003cli\u003eAfter cutting, inspect the thread form for straightness and clean burrs with a light deburring pass if needed.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eDesigned for dependable performance in the shop, this Wiseman M24x1.5 left-hand tap is a robust choice for engineers who value precise threads, reverse-thread compatibility, and straightforward, general-purpose tapping. Add it to your toolbox and experience consistent, repeatable results on a range of metalworking projects.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Wiseman","offers":[{"title":"Default Title","offer_id":40277206401102,"sku":"T15555LH2P","price":81.88,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/t10155lh2p_23dfd2d8-50a2-46e5-986b-946dbea0dd68.png?v=1693995896"},{"product_id":"t15605lh2p","title":"Wiseman Threading Tools Bottom Lead Metric HSS Tap Left Hand - M24x2","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eWiseman Threading Tools Bottom Lead Metric HSS Tap Left Hand - M24x2\u003c\/strong\u003e unlocks powerful, precise left-hand threading in demanding workshop projects. Built for reliability, this high-speed steel (HSS) tap is ground for accurate profile and long-lasting cutting edges, ready to tackle larger, robust threads with confidence.\u003c\/p\u003e \u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/wiseman.png?v=1657700949\"\u003e\u003c\/p\u003e \u003cp\u003eKey attributes that set this tap apart include \u003cstrong\u003eISO 529 compliant dimensions\u003c\/strong\u003e, a \u003cstrong\u003eleft-hand thread\u003c\/strong\u003e design, and a \u003cstrong\u003ebottom lead\u003c\/strong\u003e geometry. The uncoated finish provides straightforward heat management and straightforward lubrication, making it a dependable choice for a wide range of materials and tough environments. The large \u003cstrong\u003eM24x2\u003c\/strong\u003e size is ideal for equipment with substantial fasteners, from industrial machines to heavy machinery frames, where a secure, reverse-threaded hold is essential.\u003c\/p\u003e \u003ch3\u003eWhy this left-hand tap is a smart choice\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSpecific thread geometry\u003c\/strong\u003e: Bottom lead geometry ensures full-depth engagement and cleaner thread formation, even in deeper holes.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eLeft-hand threading\u003c\/strong\u003e: Perfect for components that require reverse-threaded fasteners or for applications where you need to counteract material movement and vibration.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDurable material\u003c\/strong\u003e: Made from high-speed steel, this tap maintains a sharp cutting edge under higher cutting speeds and delivers consistent performance over many holes.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eGeneral-purpose, versatile\u003c\/strong\u003e: While designed for tougher tasks, it remains suitable for a variety of steels and non-ferrous materials when used with proper lubrication.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eStandards-aligned\u003c\/strong\u003e: ISO 529 dimensions provide compatibility with common jigs, fixtures, and hole sizes, helping you avoid misfits in production setups.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003ePractical use scenarios include maintenance and repair work on machinery with left-handed fasteners, retrofitting components in power tools, or manufacturing projects where reverse-threaded fastening is required for safety or functional reasons. This tap is especially valuable for technicians who need to install or repair large left-hand threads without resorting to bespoke tooling.\u003c\/p\u003e \u003cp\u003eHow to get the best results: lubricate generously with a suitable tapping fluid, use steady, even pressure, and keep chips cleared to prevent binding. Because you’re cutting left-hand threads, rotate in the opposite direction of standard right-hand taps to engage the thread correctly, then maintain a controlled feed to avoid tearing or chatter. For deeper holes, a pilot drill that matches the ISO 529 guidelines will reduce strain on the cutting edge and extend tool life. After tapping, deburr the entry and exit to ensure smooth operation of the fastener.\u003c\/p\u003e \u003cp\u003eIf you’re assembling large hardware with intermittently reversed threading or retrofitting equipment that demands anti-clockwise fasteners, this Wiseman left-hand HSS tap delivers dependable depth, accurate pitch, and repeatable results. It’s the tool you reach for when precision matters and reliability is non-negotiable.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Wiseman","offers":[{"title":"Default Title","offer_id":40277206433870,"sku":"T15605LH2P","price":94.5,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/t10155lh2p_8a916c8e-bf73-4db9-a633-9548daa5980d.png?v=1693995899"},{"product_id":"t15655lh2p","title":"Wiseman Threading Tools Bottom Lead Metric HSS Tap Left Hand - M24x3","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the Wiseman Threading Tools Bottom Lead Metric HSS Tap Left Hand - M24x3, a precision internal thread cutting solution built for dependable, repeatable results. Crafted from high-speed steel and ground for accuracy, this uncoated tap is designed for general‑purpose use, delivering clean, consistent threads that meet ISO 529 dimensions. Its left‑hand threading and bottom lead design are optimized for reverse‑rotation applications, making it a trusted choice when you’re working with metric components that require a left‑hand thread.\u003c\/p\u003e \u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/wiseman.png?v=1657700949\"\u003e\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eKey features at a glance\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eLeft‑hand thread\u003c\/strong\u003e threads are cut in reverse direction for applications requiring a reverse‑threaded fit.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBottom lead design\u003c\/strong\u003e enables full thread depth from the tip to the bottom of the hole, ideal for precise, deep threading in blind or through holes.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eM24x3 metric\u003c\/strong\u003e conforms to ISO 529 standards, ensuring compatibility with other standard metric components.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHigh‑speed steel ground\u003c\/strong\u003e, uncoated for general purpose reliability and straightforward use in a variety of materials.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBottom line metric tap\u003c\/strong\u003e purpose‑built for internal threading tasks in metalworking and fabrication shops.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWhy this left‑hand metric tap matters\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhen your project demands a left‑hand internal thread, the Wiseman M24x3 tap provides predictable cutting action with steady chord engagement. The uncoated HSS surface handles common cutting fluids well, giving you control and feedback as you tap. Its ISO 529 compliance means you can confidently pair it with compatible drill sizes and bushings, reducing guesswork in setup and ensuring your threaded hole meets standard tolerances.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eIdeal use cases\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eRepairing or creating internal threads in metal housings, brackets, and assemblies that specify a left‑hand thread.\u003c\/li\u003e \u003cli\u003ePrototyping or maintenance work in workshops where metric M24 threads are standard.\u003c\/li\u003e \u003cli\u003eDIY projects and professional builds where reverse‑thread components are required for safety or functionality.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003ePractical tips for best results\u003c\/strong\u003e\u003c\/p\u003e\n\u003col\u003e \u003cli\u003eSecure the workpiece in a stable vise or fixture to maintain proper alignment and prevent thread deviation.\u003c\/li\u003e \u003cli\u003eLubricate with an appropriate tapping fluid to reduce friction, promote smooth cutting, and extend tap life.\u003c\/li\u003e \u003cli\u003eStart the tap perpendicular to the hole axis, then gradually advance with a steady, even motion. For left‑hand threads, rotation is in the reverse direction of standard right‑hand tapping.\u003c\/li\u003e \u003cli\u003eClean chips frequently and remove debris between passes to maintain thread integrity and finish quality.\u003c\/li\u003e \u003cli\u003eTest the fit with a compatible left‑hand threaded component to confirm correct engagement and thread depth.\u003c\/li\u003e\n\u003c\/ol\u003e \u003cp\u003eThe Wiseman M24x3 left‑hand bottom lead tap is a dependable, economical choice for professionals and dedicated hobbyists alike. Designed to deliver accurate, durable internal threads in metric sizes, it’s a go‑to tool when precision, control, and consistency matter most in your threading projects.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Wiseman","offers":[{"title":"Default Title","offer_id":40277206466638,"sku":"T15655LH2P","price":80.67,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/t10155lh2p_c9dbe2ab-bd4f-4889-ade1-4ae9e81f3c88.png?v=1693995902"},{"product_id":"t15755lh2p","title":"Wiseman Threading Tools Bottom Lead Metric HSS Tap Left Hand - M25x1.5","description":"\u003cdiv\u003e\n\u003cp\u003eThe Wiseman Threading Tools Bottom Lead Metric HSS Tap Left Hand - M25x1.5 is a precision ground tapping tool designed for left-handed threads in metalworking projects. Built for reliability, this high-speed steel (HSS) tap is uncoated for general-purpose use and conforms to ISO 529 dimensions, ensuring consistent thread form and compatibility with standard metric fasteners.\u003c\/p\u003e \u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/wiseman.png?v=1657700949\"\u003e\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eKey features that matter in real work\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eLeft-hand thread\u003c\/strong\u003e: Perfect for reverse-thread assemblies where components tighten in the opposite direction, reducing the risk of loosening in vibration-prone applications.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBottom lead (bottoming) design\u003c\/strong\u003e: Engages threads all the way to the bottom of the hole, delivering full-depth threads in through-holes or blind-holes with high precision.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMetric size M25x1.5\u003c\/strong\u003e: Major diameter 25 mm with a 1.5 mm pitch, aligned with ISO 529 for reliable mating with standard M25 bolts and components.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eGround, uncoated HSS\u003c\/strong\u003e: The ground thread form provides smooth cutting action and accurate thread geometry, while the uncoated surface keeps the tool versatile across common metals.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eGeneral-purpose, reliable performance\u003c\/strong\u003e: Suitable for steel, cast iron, aluminum, and many alloys in workshop and industrial settings, making it a dependable choice for repairs, fabrication, and prototyping.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWhy this tap is a practical choice\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eFor technicians and hobbyists tackling left-hand threaded components, this tap delivers clean, consistent threads without the fuss of trial-and-error tooling.\u003c\/li\u003e \u003cli\u003eThe bottoming capability is ideal when you need full thread engagement to the bottom of the hole, such as when precise shoulder positioning or seating depth is required.\u003c\/li\u003e \u003cli\u003eISO 529 compatibility means you can trust this tool to produce threads that match standard metric fasteners, reducing fit issues and rework.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eUsage tips for best results\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eLubricate adequately with a cutting fluid or oil to minimize heat and extend tool life during tapping.\u003c\/li\u003e \u003cli\u003eSecure the workpiece firmly in a drill press or CNC setup to maintain perpendicular alignment and steady feed.\u003c\/li\u003e \u003cli\u003eBegin with a pilot hole of appropriate diameter per ISO recommendations for M25x1.5 before using the bottoming tap for final depth.\u003c\/li\u003e \u003cli\u003eTap with a steady, even motion—avoid forcing the tool, and back off gently if you encounter resistance to prevent breakage.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhether you’re upgrading a vintage machine, repairing a left-hand threaded assembly, or fabricating a new component that requires precise, reverse-threading, the Wiseman HSS Left-Hand Tap in M25x1.5 delivers dependable performance, consistent thread quality, and long-term durability in everyday metalworking tasks.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Wiseman","offers":[{"title":"Default Title","offer_id":40277206499406,"sku":"T15755LH2P","price":67.56,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/t10155lh2p_e9c931fd-4eb6-4e2a-b75f-2a6bc4c247c4.png?v=1693995906"}],"url":"https:\/\/www.protool-ltd.co.uk\/collections\/wiseman-left-hand-taps.oembed","provider":"Protool Precision Tools","version":"1.0","type":"link"}