{"title":"Long Carbide Shank Toolholders - SR Range","description":"","products":[{"product_id":"sr0010k12c","title":"Carmex Single Long Carbide Shank Threading Insert holders - For Carbide External\/Internal Threading Inserts - SR0010K12C","description":"\u003cdiv\u003e\n\u003cp\u003e\nThe Carmex SR0010K12C is a carbide shank threading insert holder designed for long overhang threading on CNC milling machines, supporting both external and internal carbide inserts. It’s built to deliver consistent performance in demanding production environments.\n\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eLong-overhang carbide shank\u003c\/b\u003e: Engineered for extended reach in threading jobs, providing stability and through-put on CNC mills.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInternal coolant bore\u003c\/b\u003e: Integrated coolant channel to keep the cutting area cool and help extend insert life.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMaximum length\u003c\/b\u003e: Overall holder length up to 270 mm (metric versions) \/ 10.5 inches (inch versions) for deep threading tasks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCarbide inserts compatibility\u003c\/b\u003e: Designed to work with carbide external and internal threading inserts for versatile, single-tool setups.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eRigid carbide construction\u003c\/b\u003e: Built to resist deflection and maintain accuracy during high-speed threading operations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOperational guidance\u003c\/b\u003e: When machining long overhangs, reduce cutting speed and feed rate by 20–40% (exact value depends on workpiece material, thread pitch, and overhang amount).\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCompatibility note\u003c\/b\u003e: SR0390K12C cannot be used with conical inserts: 12-18 NPT \/ 12-18 NPTF \/ 12-19 BSPT.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\nThese tools enable efficient threading on CNC mills via helical interpolation, offering higher cutting speeds with multi-tooth carbide inserts. They can help lower tooling costs by delivering a durable, reusable solution that’s cheaper than traditional taps and dies. With an internal coolant path and a long, stiff shank, you’ll achieve reliable thread quality on deep or extended reach projects. The SR0010K12C is an ideal choice for shops that need a single, versatile holder capable of handling both internal and external threading inserts with long reach.\n\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Carmex","offers":[{"title":"Default Title","offer_id":40318193107022,"sku":"SR0010K12C","price":244.88,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/carbide-sr-2_d0b9df5f-6a2b-417e-b808-125c07b88ebe.jpg?v=1697624471"},{"product_id":"sr0013h14c","title":"Carmex Single Long Carbide Shank Threading Insert holders - For Carbide External\/Internal Threading Inserts - SR0013H14C","description":"\u003cdiv\u003e\n\u003cp\u003e\nCarmex Single Long Carbide Shank Threading Insert holders (SR0013H14C) are precision tool holders designed for external and internal threading inserts, optimized for long overhang work on CNC milling centers. Built for reliability and cost-effective performance, they empower high-precision threading with carbide inserts in a compact, rigid package.\n\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eCarbide shank construction\u003c\/b\u003e: Robust, rigid design built to withstand high-speed threading with multi-tooth inserts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInternal coolant bore\u003c\/b\u003e: Direct coolant delivery to the insert area for improved chip control and insert life.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eLong overhang capability\u003c\/b\u003e: Engineered to support extended reach while preserving stability and accuracy.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMaximum length\u003c\/b\u003e: Overall holder length up to 270 mm (10.5 inches) to cover a wide range of threading applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCompatibility\u003c\/b\u003e: Designed for carbide external and internal threading inserts, enabling versatile threading tasks on a single holder.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eIndexable threading tooling support\u003c\/b\u003e: Suited for use with indexable thread milling inserts to achieve efficient, high-speed thread production.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\nThese holders pair with indexable thread milling tools to deliver higher cutting speeds and reduced tooling costs compared with traditional taps and dies. The internal coolant bore helps manage heat during heavy-duty threading, prolonging insert life and maintaining thread quality. When machining long overhangs, reduce cutting speed and feed by 20–40% depending on workpiece material, thread pitch, and the amount of overhang to maintain stability and surface finish. Ideal for precision manufacturing environments where consistent thread accuracy and cost-efficient tooling are critical.\n\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Carmex","offers":[{"title":"Default Title","offer_id":40318193565774,"sku":"SR0013H14C","price":206.38,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/carbide-sr-2_1384c7fd-76b3-47eb-95cf-90fdf6c151dc.jpg?v=1697624476"},{"product_id":"sr0013j14c","title":"Carmex Single Long Carbide Shank Threading Insert holders - For Carbide External\/Internal Threading Inserts - SR0013J14C","description":"\u003cdiv\u003e\n\u003cp\u003e\nThe Carmex SR0013J14C is a long-overhang carbide shank threading insert holder designed for external and internal threading on CNC milling centers. Built for shops that need precise, repeatable thread milling with cost-efficient tooling, it delivers reliable performance across demanding operations.\n\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eLong overhang design\u003c\/b\u003e: overall length up to 270 mm (10.5 inches) to reach deep features while maintaining rigidity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInternal coolant bore\u003c\/b\u003e: integrated coolant passage to keep the cutting zone cool and protect inserts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCarbide shank construction\u003c\/b\u003e: robust, wear-resistant body tuned for high-speed threading with multi-tooth inserts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSupports carbide external\/internal threading inserts\u003c\/b\u003e: versatile tooling for various thread milling applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOperational guidance\u003c\/b\u003e: when machining long overhangs, reduce cutting speed and feed by 20–40% depending on workpiece material, thread pitch, and overhang length.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eImportant compatibility note\u003c\/b\u003e: SR0390K12C cannot be used with conical inserts (12-18 NPT \/ 12-18 NPTF \/ 12-19 BSPT).\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\nThis holder unlocks higher productivity in thread milling by enabling faster cutting with multi-tooth carbide inserts on CNC mills, while keeping tooling costs lower than traditional taps and dies. Its long reach is ideal for deep or recessed threads, and the integrated coolant bore supports sustained performance in heat-intensive operations. The precision-ground carbide shank delivers consistent accuracy across extended toolpaths and frequent tool changes.\n\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Carmex","offers":[{"title":"Default Title","offer_id":40318193729614,"sku":"SR0013J14C","price":212.78,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/carbide-sr-2_f4140b5a-2ce6-49ae-8506-07967fb6f27f.jpg?v=1697624480"},{"product_id":"sr0015k14c","title":"Carmex Single Long Carbide Shank Threading Insert holders - For Carbide External\/Internal Threading Inserts - SR0015K14C","description":"\u003cdiv\u003e\n\u003cp\u003e\nThe Carmex SR0015K14C is a single long carbide shank threading insert holder designed for carbide external and internal threading inserts, ideal for CNC milling with helical interpolation. It provides extended reach without sacrificing precision or budget.\n\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eInternal coolant bore\u003c\/b\u003e: Delivers coolant directly to the cutting edge for efficient chip control and extended tool life.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eLong overhang design\u003c\/b\u003e: Engineered to provide an efficient, cost-effective solution when a long reach is required.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMaximum length\u003c\/b\u003e: Overall holder length up to 270 mm (10.5 inches) for metric and inch versions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eVersatile threading inserts compatibility\u003c\/b\u003e: Supports carbide external and internal threading inserts for flexible threading operations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOperational guidance\u003c\/b\u003e: When machining long overhangs, reduce cutting speed and feed rate by 20–40% depending on workpiece material, thread pitch, and overhang.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCompatibility note\u003c\/b\u003e: SR0390K12C can’t be used with conical inserts: 12-18 NPT \/ 12-18 NPTF \/ 12-19 BSPT.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\nDesigned to boost productivity and reduce tooling costs, this holder enables faster thread milling on CNC mills while preserving precision. The robust carbide shank and integrated coolant pathway help maintain consistent performance across long overhang applications, making it a reliable choice for shops performing frequent external and internal threading with carbide inserts.\n\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Carmex","offers":[{"title":"Default Title","offer_id":40318193926222,"sku":"SR0015K14C","price":266.1,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/carbide-sr-2_b656744d-2bae-4fc4-8b4a-15091508547a.jpg?v=1697624486"},{"product_id":"sr0021k21c","title":"Carmex Single Long Carbide Shank Threading Insert holders - For Carbide External\/Internal Threading Inserts - SR0021K21C","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Carmex SR0021K21C Single Long Carbide Shank Threading Insert Holder — a precise, long-reach solution for external and internal threading on CNC mills. Built for shops tackling deep or extended overhang threading, this holder combines rigid support with efficient coolant delivery to boost productivity.\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eInternal coolant bore\u003c\/b\u003e: Directs coolant to the cutting edge for improved chip control and insert life.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eLong reach up to 270 mm \/ 10.5 in\u003c\/b\u003e: Supports deep or extended overhang threading jobs with stability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCarbide shank tool holders\u003c\/b\u003e: Part of Carmex’s line designed for efficient, cost-effective long-overhang applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCompatibility with carbide external\/internal threading inserts\u003c\/b\u003e: Flexible use for both threading tasks on a single holder system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOptimized for CNC milling with helical interpolation\u003c\/b\u003e: Enables higher cutting speeds and effective multi-tooth inserts for smoother thread profiles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eGuidelines for long overhangs\u003c\/b\u003e: When machining with long overhangs, reduce cutting speed and feed by 20–40% depending on workpiece material, thread pitch, and overhang.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eImportant compatibility note\u003c\/b\u003e: SR0390K12C can’t be used with conical inserts: 12-18 NPT \/ 12-18 NPTF \/ 12-19 BSPT.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eBenefits: This holder setup offers tangible efficiency and cost advantages. You gain faster threading cycles and lower tooling costs, thanks to multi-tooth carbide inserts that outperform traditional taps and dies in many applications. The long, rigid carbide shank provides dependable guidance for deep threads, while the integrated coolant bore helps maintain tool life and consistent thread quality. Ideal for shops performing long overhang threading on CNC mills, this holder supports precise, repeatable results across external and internal threading tasks.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Carmex","offers":[{"title":"Default Title","offer_id":40318194188366,"sku":"SR0021K21C","price":373.86,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/carbide-sr-2_b2ac66b4-5e51-42b1-abc0-c64c38d01426.jpg?v=1697624489"},{"product_id":"sr0021m21c","title":"Carmex Single Long Carbide Shank Threading Insert holders - For Carbide External\/Internal Threading Inserts - SR0021M21C","description":"\u003cdiv\u003e\n\u003cp\u003e\nIntroducing the Carmex SR0021M21C — a single long carbide shank threading insert holder designed for CNC milling that handles both external and internal threading with precision. Built for long overhangs, it delivers reliable reach and consistent results in demanding machining environments.\n\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eInternal coolant bore\u003c\/b\u003e: Integrated coolant channel directs coolant to the cutting edge for better chip control and extended insert life.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eLong reach capability\u003c\/b\u003e: Overall length up to 270 mm (metric versions) \/ 10.5 inches (inch versions) to access deep features without repositioning the workpiece.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCarbide shank construction\u003c\/b\u003e: Rugged carbide body provides rigidity, stable seating, and repeatable threading accuracy across jobs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCompatibility with carbide threading inserts\u003c\/b\u003e: Specifically designed to support carbide external and internal threading inserts for versatile applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMetric and inch versions\u003c\/b\u003e: Available in both metric (up to 270 mm) and inch (up to 10.5\") lengths to fit global machining setups.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCost-effective threading solution\u003c\/b\u003e: A practical alternative to taps and dies, helping reduce tooling costs on high-volume threading tasks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHelical interpolation-ready\u003c\/b\u003e: Optimized for CNC milling with helical interpolation to produce precise threads efficiently.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOperational guidance for long overhangs\u003c\/b\u003e: When machining long overhangs, reduce cutting speed and feed rate by 20–40% depending on material, pitch, and overhang to maintain stability and tool life.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\nThe SR0021M21C is ideal for shops that frequently perform threaded features in hard-to-reach areas—think automotive housings, hydraulic components, and aerospace fittings. By combining a robust carbide shank, long-reach design, and integrated coolant, this holder enables faster cycles, consistent thread quality, and simpler inventory management, all while offering a lower total cost of ownership compared with traditional threading taps and dies. Its design supports both external and internal carbide inserts, giving you flexibility across a range of threading tasks without swapping tools.\n\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Carmex","offers":[{"title":"Default Title","offer_id":40318194286670,"sku":"SR0021M21C","price":385.32,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/carbide-sr-2_a5b137c6-99f9-4077-9530-d5615f15e306.jpg?v=1697624493"},{"product_id":"sr0027s30c","title":"Carmex Single Long Carbide Shank Threading Insert holders - For Carbide External\/Internal Threading Inserts - SR0027S30C","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Carmex SR0027S30C—a single long carbide shank threading insert holder designed for CNC milling where extended reach is required for precise external and internal threading.\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eInternal coolant bore\u003c\/b\u003e: Through-tool coolant path delivers coolant directly to the insert, enhancing chip control and extending insert life.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eLong overhang optimization\u003c\/b\u003e: Specifically engineered for applications that demand a long reach, providing stable performance on deep or awkward threads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMaximum length\u003c\/b\u003e: Overall holder length up to 270 mm (metric versions) or 10.5 in (inch versions).\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCarbide inserts compatibility\u003c\/b\u003e: Designed to accept indexable carbide threading inserts, leveraging multi-tooth inserts for higher cutting speeds and efficient material removal.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCost-efficient tooling\u003c\/b\u003e: A practical alternative to taps and dies, with replaceable inserts that lower tooling costs over the life of a project.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOperational guidance\u003c\/b\u003e: When machining long overhangs, reduce cutting speed and feed rate by 20–40% depending on workpiece material, thread pitch, and the amount of overhang.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCompatibility note\u003c\/b\u003e: SR0390K12C cannot be used with conical inserts (12-18 NPT \/ 12-18 NPTF \/ 12-19 BSPT).\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWith its through-coolant design and robust carbide interface, this holder supports consistent thread profiles, smoother surface finishes, and reliable performance in production environments. It’s an ideal choice for shops performing high-volume threading on CNC mills where long reach and durable inserts matter—from precision hydraulic components to aerospace-type fasteners.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Carmex","offers":[{"title":"Default Title","offer_id":40318194483278,"sku":"SR0027S30C","price":658.68,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/carbide-sr-2_7509954b-c471-4e6a-89f9-16c0a78f3bfd.jpg?v=1697624497"}],"url":"https:\/\/www.protool-ltd.co.uk\/collections\/long-carbide-shank-toolholders-sr-range.oembed","provider":"Protool Precision Tools","version":"1.0","type":"link"}