{"title":"SR Indexable Thread Mill Inserts - NPT","description":"","products":[{"product_id":"12-18npt","title":"Carmex Carbide Threading Insert - NPT - TiAlN Coated - 12-18NPT","description":"\u003cdiv\u003e\n\u003cp\u003e\nCarmex Carbide Threading Insert for NPT, TiAlN coated, in a 12–18 NPT range. This versatile insert set is designed for machinists and job shops who need reliable, multi-purpose threading performance on common pipe-thread profiles.\n\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eThread profiles covered\u003c\/b\u003e: A comprehensive collection that supports all common thread profiles, optimized for efficient setup on a wide range of jobs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eLength options\u003c\/b\u003e: Available in five lengths from 12 mm to 40 mm to fit different toolholders and workpiece geometries.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePitch range\u003c\/b\u003e: Depending on length, accommodates pitches from 0.5 mm (32 TPI) up to 6.0 mm (4 TPI) for versatile threading capabilities.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDouble‑sided cutting edges\u003c\/b\u003e: Each insert offers two cutting edges for extended life, with exceptions for BSPT \/ NPT \/ NPTF \/ American Buttress \/ API RD profiles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInternal\/External capability\u003c\/b\u003e: For many thread profiles, the same insert can machine both internal and external threads, reducing the need for multiple tools (note: ISO \/ UN \/ NPSM \/ UNJ \/ Acme may require alternate approaches).\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCoating\u003c\/b\u003e: TiAlN coating enhances hardness and wear resistance, helping tools stand up to challenging materials and high-speed operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMaterial\u003c\/b\u003e: Solid carbide construction delivers rigidity and stable performance across common threading applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eThread range\u003c\/b\u003e: Specifically suited for NPT sizes in the 12–18 NPT range, aligning with standard pipe-thread applications.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\nThese inserts are crafted to deliver precise, consistent thread forms with minimal downtime. The TiAlN coating reduces heat buildup and wear, while the double-edged design and wide length\/pitch options provide flexibility for quick changeovers and streamlined setups. Ideal for workshop machines, CNC lathes, and production environments where multiple NPT threading tasks are routine, this Carmex set helps you complete more jobs with fewer tool changes and reliable results from start to finish.\n\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Carmex","offers":[{"title":"Default Title","offer_id":40316043657294,"sku":"12-18NPT","price":29.1,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/sr-insert_11af2261-045a-48b8-b8ba-15304f9c7779.jpg?v=1697553062"},{"product_id":"14-14npt","title":"Carmex Carbide Threading Insert - NPT - TiAlN Coated - 14-14NPT","description":"\u003cdiv\u003e\n\u003cp\u003e\nMeet the Carmex Carbide Threading Insert for NPT — a durable, TiAlN-coated solution built for precise NPT threading in production and job‑shop environments. Designed for professionals who work with internal and external threads, this insert delivers reliable performance with focused, dedicated geometry for NPT applications.\n\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eMaterial \u0026amp; Coating\u003c\/b\u003e: Carbide insert with TiAlN coating for exceptional wear resistance and heat tolerance in demanding threading tasks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eNPT-focused design\u003c\/b\u003e: Specifically configured for NPT thread profiles, offering reliable cutting performance on standard NPT workpieces.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCutting Edge Configuration\u003c\/b\u003e: Single cutting edge (in contrast to the double‑sided convention for many profiles), optimized for NPT geometry and consistent chip control.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eLength Options\u003c\/b\u003e: Five lengths available, spanning from 12 mm to 40 mm to fit different depths and tooling setups.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePitch Range Compatibility\u003c\/b\u003e: Capable of handling pitches from 0.5 mm (32 TPI) up to 6.0 mm (4 TPI) depending on the chosen length.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInternal\/External Capability (where applicable)\u003c\/b\u003e: For many thread profiles, the same insert can machine both internal and external threads, reducing tool inventory (note: certain profiles such as ISO, UN, NPSM, UNJ, and Acme may have unique considerations).\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\nThis NPT insert is part of a versatile Carmex family that covers all common thread profiles, enabling streamlined setups and fewer tool changes. The TiAlN coating helps extend insert life in tough materials and high-temperature cutting, while the single-edge design for NPT provides consistent performance and predictable results across a range of thread depths and diameters. Ideal for CNC operators, machine shops, and manufacturing environments where reliability, precision, and efficiency matter.\n\u003c\/p\u003e \u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/carmex.png?v=1657641889\"\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Carmex","offers":[{"title":"Default Title","offer_id":40316044607566,"sku":"14-14NPT","price":29.1,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/sr-insert_360b8330-cd79-4546-8303-7e1e821238f0.jpg?v=1697553066"},{"product_id":"14-18npt","title":"Carmex Carbide Threading Insert - NPT - TiAlN Coated - 14-18NPT","description":"\u003cdiv\u003e\n\u003cp\u003eThe Carmex Carbide Threading Insert (NPT, TiAlN coated) is a versatile cutting solution designed for machinists who work with a wide range of thread profiles. Built for durability and precision, it’s ideal for producing reliable threads in internal and external applications, especially in NPT work.\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eMaterial\u003c\/b\u003e: Carbide inserts deliver stiffness, predictable cutting behavior, and long wear life under demanding threading conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCoating\u003c\/b\u003e: TiAlN coating enhances hardness and thermal resistance, helping maintain sharpness at higher speeds and extending insert life.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eThread profiles covered\u003c\/b\u003e: A comprehensive collection that supports all common thread profiles, reducing the need to stock multiple insert types.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eLength options\u003c\/b\u003e: Five available lengths, ranging from 12 mm to 40 mm, to suit different tools and applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePitch range\u003c\/b\u003e: capable of handling pitches from 0.5 mm (32 TPI) to 6.0 mm (4 TPI), depending on the insert length.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eEdge design\u003c\/b\u003e: Double-sided inserts with two cutting edges, maximizing usable life (note: some thread types are exceptions).\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInternal vs external\u003c\/b\u003e: For many profiles, the same insert can machine both internal and external threads, reducing tool-change downtime (exceptions apply for ISO\/UN\/NPSM\/UNJ\/Acme).\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSpecific application\u003c\/b\u003e: Optimized for NPT threading tasks with a robust carbide base and TiAlN coating to sustain performance in pipe-thread work.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eDesigned to streamline threading workflows, this insert delivers consistent thread quality, reduces the need for frequent tool changes, and provides economical wear performance across a broad set of common pipe and metric thread profiles. Its dual cutting edges and coated carbide construction help you achieve accurate tolerances and repeatable results, even in challenging materials and higher-speed conditions.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Carmex","offers":[{"title":"Default Title","offer_id":40316045623374,"sku":"14-18NPT","price":29.1,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/sr-insert_3b5f4703-19d0-4adf-8072-008500b3b6bb.jpg?v=1697553070"},{"product_id":"21-11-5npt","title":"Carmex Carbide Threading Insert - NPT - TiAlN Coated - 21-11.5NPT","description":"\u003cdiv\u003e\n\u003cp\u003e\nIntroducing the Carmex Carbide Threading Insert for NPT, a TiAlN-coated carbide insert designed for professional threading tasks. Built for machinists and fabrication shops, it delivers precise, repeatable NPT and common-thread profiles with durable performance on both internal and external threads.\n\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eCoating\u003c\/b\u003e: TiAlN coating enhances wear resistance and heat tolerance for longer tool life in demanding threading applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMaterial\u003c\/b\u003e: Carbide substrate provides stiffness, sharpness, and consistent cutting action across different thread forms.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eModel\/Code\u003c\/b\u003e: 21-11.5NPT, specifically tailored for NPT thread work and related profiles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eLength options\u003c\/b\u003e: Five lengths available (12 mm to 40 mm) to fit various hole depths, collars, and shoulder constraints.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePitch range\u003c\/b\u003e: Compatible with pitches from 0.5 mm (32 TPI) to 6.0 mm (4 TPI), covering the most common threading needs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDouble-sided edges\u003c\/b\u003e: Insert is double-sided with two cutting edges on most profiles, extending usage life (note: BSPT\/NPT\/NPTF\/American Buttress\/API RD may not use the second edge).\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInternal\/External threading compatibility\u003c\/b\u003e: For many thread profiles, the same insert can machine both internal and external threads, reducing tool changes and inventory (with profile exceptions such as ISO\/UN\/NPSM\/UNJ\/Acme).\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\nDesigned for efficiency and reliability, this insert supports precise thread forms across a wide range of standard profiles while delivering the stability of TiAlN-coated carbide. It’s an excellent choice for pipe fittings, valves, housings, and other components where consistent thread quality and tool life matter—whether you’re setting up batch runs or performing quick-turn jobs.\n\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Carmex","offers":[{"title":"Default Title","offer_id":40316046639182,"sku":"21-11.5NPT","price":38.88,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/sr-insert_065d3e35-fef0-437a-8f69-461400b83fbe.jpg?v=1697553074"},{"product_id":"21-14npt","title":"Carmex Carbide Threading Insert - NPT - TiAlN Coated - 21-14NPT","description":"\u003cdiv\u003e\n\u003cp\u003e\nThe Carmex Carbide Threading Insert – NPT, TiAlN Coated, model 21-14NPT is a versatile cutting solution built for machinists who routinely produce pipe-thread profiles. With robust carbide and a TiAlN coating, it delivers reliable performance across common NPT and related thread jobs.\n\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eThread profiles covered\u003c\/b\u003e: A single insert family designed to address all common threading profiles you encounter in pipe fittings and hydraulic components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eFive length options\u003c\/b\u003e: Available in five lengths spanning 12 mm to 40 mm to fit a variety of recess depths and tooling setups.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePitch range\u003c\/b\u003e: Depending on length, capable of handling pitches from 0.5 mm (32 TPI) up to 6.0 mm (4 TPI).\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDouble-edged design (where applicable)\u003c\/b\u003e: Most profiles use two cutting edges for extended life; note that BSPT, NPT, NPTF, American Buttress, and API RD variants are exceptions to the double-edged rule.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInternal\/external threading compatibility\u003c\/b\u003e: For many thread profiles, the same insert can machine both internal and external threads, reducing tool changes (with some profile exceptions such as ISO \/ UN \/ NPSM \/ UNJ \/ Acme).\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTiAlN coating\u003c\/b\u003e: Titanium aluminum nitride coating provides enhanced hardness and heat resistance for longer tool life and consistent thread quality.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCarbide construction\u003c\/b\u003e: Premium carbide body delivers precise, stable cuts and long-term durability in demanding threading operations.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\nThis insert is ideal for machine shops and production environments where a single tool family must cover a wide range of NPT and related thread applications—from hydraulic fittings to pneumatic connectors. The TiAlN coating helps maintain sharpness under heat, while the various lengths and pitch options let you tailor each cut to the specific job. Use with compatible holders and appropriate coolant strategies to maximize life and achieve smooth, accurate thread finishes on both internal and external threads where supported.\n\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Carmex","offers":[{"title":"Default Title","offer_id":40316047458382,"sku":"21-14NPT","price":38.88,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/sr-insert_641842fa-6bab-4dd0-8a04-8eb3c885f8a9.jpg?v=1697553077"},{"product_id":"30-11-5npt","title":"Carmex Carbide Threading Insert - NPT - TiAlN Coated - 30-11.5NPT","description":"\u003cdiv\u003e\n\u003cp\u003e\nMeet the Carmex Carbide Threading Insert for NPT — a versatile, TiAlN-coated threading solution built for machinists who need reliable performance across common thread profiles. Ideal for internal and external threading tasks, it minimizes tool changes while delivering consistent, precise results.\n\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eTiAlN coating\u003c\/b\u003e: TiAlN-coated carbide construction enhances hardness and wear resistance for longer insert life in demanding threading jobs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBroad thread-profile coverage\u003c\/b\u003e: A versatile collection that spans all the common thread profiles you encounter in typical manufacturing and maintenance work.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eFive length options\u003c\/b\u003e: Available in five lengths, ranging from 12 mm up to 40 mm, to fit a variety of tooling setups.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eWide pitch range\u003c\/b\u003e: Depending on length, handles pitches from 0.5 mm (32 TPI) to 6.0 mm (4 TPI), giving you flexibility across applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDouble-sided cutting edges\u003c\/b\u003e: Each insert provides two cutting edges for extended use (note: BSPT\/NPT\/NPTF\/American Buttress\/API RD profiles are exceptions).\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInternal \u0026amp; external threading versatility\u003c\/b\u003e: For many profiles, the same insert can machine both internal and external threads, reducing tool changes (exceptions apply for ISO\/UN\/NPSM\/UNJ\/Acme).\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\nThis threading insert is designed to boost productivity by combining broad compatibility with durable, long-lasting performance. Its wear-resistant TiAlN coating helps maintain accurate thread forms over repetitive cycles, while the double-edged design and multiple lengths let you tailor tooling to your specific job—whether you’re producing pipe fittings, hydraulic components, or precision mechanical assemblies. If you value fewer tool changes, consistent thread quality, and a single solution that covers multiple profiles, this Carmex insert is a practical, reliable choice for shop floors and job shops alike.\n\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Carmex","offers":[{"title":"Default Title","offer_id":40316047491150,"sku":"30-11.5NPT","price":53.38,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/sr-insert_12b8ea02-9e86-405a-82d2-f1a6f6a7baa0.jpg?v=1697553081"},{"product_id":"30-8npt","title":"Carmex Carbide Threading Insert - NPT - TiAlN Coated - 30-8NPT","description":"\u003cdiv\u003e\n\u003cp\u003e\nThe Carmex Carbide Threading Insert - NPT - TiAlN Coated - 30-8NPT is a high-precision, versatile threading solution designed for machinists who need reliable performance across multiple profiles with minimal tool changes.\n\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eProfile coverage\u003c\/b\u003e: A versatile collection that covers all common thread profiles, reducing the need for multiple inserts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eLength options\u003c\/b\u003e: Five lengths available, ranging from 12 mm to 40 mm, to fit different tooling setups and depth requirements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePitch range\u003c\/b\u003e: Accepts pitches from 0.5 mm (32 TPI) up to 6.0 mm (4 TPI), enabling a broad range of applications with a single insert family.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDouble-sided cutting edges\u003c\/b\u003e: Each insert provides two cutting edges for extended life (except for BSPT\/NPT\/NPTF\/American Buttress\/API RD profiles).\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInternal \u0026amp; external capability\u003c\/b\u003e: For many thread profiles, the same insert can machine both internal and external threads (with exceptions for ISO\/UN\/NPSM\/UNJ\/Acme).\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMaterial \u0026amp; coating\u003c\/b\u003e: Carbide insert with TiAlN coating, offering improved wear resistance and heat management for longer tool life.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCode and compatibility\u003c\/b\u003e: Specifically designed as NPT-thread insert (30-8NPT) to support reliable progression through common NPT threading tasks.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\nThis insert translates into tangible productivity gains: tougher TiAlN coating lives longer under high-speed, high-heat threading; dual edges and the broad profile coverage reduce tool changes and setup time; and the internal\/external compatibility simplifies job planning. It’s particularly well-suited for shops handling a mix of threading tasks where precision, consistency, and tool longevity matter most. By choosing the 30-8NPT variant, you’re selecting a robust solution that supports varied NPT threading needs with fewer inserts in your kit.\n\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Carmex","offers":[{"title":"Default Title","offer_id":40316047851598,"sku":"30-8NPT","price":53.38,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/sr-insert_264cb21c-cfb1-4f64-9868-2368a33594a1.jpg?v=1697553084"},{"product_id":"40-11-5npt","title":"Carmex Carbide Threading Insert - NPT - TiAlN Coated - 40-11.5NPT","description":"\u003cdiv\u003e\n\u003cp\u003eThe Carmex Carbide Threading Insert - NPT, TiAlN coated - 40-11.5NPT is a versatile threading solution designed for professionals who need reliable performance across common thread profiles, including pipe threads.\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eTiAlN-coated carbide\u003c\/b\u003e: TiAlN coating delivers increased hardness and wear resistance, helping the insert maintain sharpness at higher speeds and temperatures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eFive length options\u003c\/b\u003e: Available in five lengths that span from 12 mm to 40 mm to accommodate different depths and workpiece geometries.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eWide pitch range\u003c\/b\u003e: Suitable for pitches from 0.5 mm (32 TPI) to 6.0 mm (4 TPI), covering the most commonly requested thread profiles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDouble-sided cutting edges\u003c\/b\u003e: The insert is designed with two cutting edges for extended life and versatility, with exceptions for BSPT \/ NPT \/ NPTF \/ American Buttress \/ API RD.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInternal\/External threading versatility\u003c\/b\u003e: For many thread profiles, the same insert can machine both internal and external threads, reducing tool changes—note exceptions for ISO \/ UN \/ NPSM \/ UNJ \/ Acme.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eThis insert combines durable carbide with a protective TiAlN coating to deliver consistent performance across demanding threading tasks. Its broad length options and wide pitch range make it a practical choice for shops that handle a variety of pipe and standard thread profiles, helping you reduce tool inventory while maintaining reliable results.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Carmex","offers":[{"title":"Default Title","offer_id":40316047884366,"sku":"40-11.5NPT","price":91.88,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/sr-insert_c79098b0-7c6e-4648-b8b7-ecde5e9c3bd3.jpg?v=1697553088"},{"product_id":"40-8npt","title":"Carmex Carbide Threading Insert - NPT - TiAlN Coated - 40-8NPT","description":"\u003cdiv\u003e\n\u003cp\u003e\nThe Carmex Carbide Threading Insert for NPT and common thread profiles is a TiAlN-coated solution built for machinists who need reliable, high-precision threading across internal and external surfaces.\n\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eFive length options\u003c\/b\u003e: Inserts are available in five lengths, ranging from 12 mm to 40 mm, to fit a variety of hole depths and turning passes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBroad thread compatibility\u003c\/b\u003e: Covers all common thread profiles, reducing the need to stock multiple tool types.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePitch range flexibility\u003c\/b\u003e: Capable of handling pitches from 0.5 mm (32 TPI) to 6.0 mm (4 TPI) for diverse applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDouble-sided cutting edges\u003c\/b\u003e: Each insert features two cutting edges to maximize usable life, with exceptions for BSPT \/ NPT \/ NPTF \/ American Buttress \/ API RD.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInternal \u0026amp; external threading\u003c\/b\u003e: For many profiles, the same insert can machine both internal and external threads, minimizing tool changes (except ISO \/ UN \/ NPSM \/ UNJ \/ Acme).\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eNPT-focused design\u003c\/b\u003e: Specifically optimized for NPT and related pipe-thread profiles, supporting accurate, consistent taps on threaded parts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003e40-8NPT designation\u003c\/b\u003e: Clear sizing and compatibility for standard NPT threading tasks.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\nThis carbide threading insert set is engineered to deliver durable performance in demanding materials and high-speed threading. The TiAlN coating enhances hardness and wear resistance, helping maintain accuracy over longer runs and reducing tool downtime. With its versatile length and pitch options, it’s well-suited for job shops, contract manufacturers, and in-house production environments that require reliable threading across multiple standards without swapping inserts mid-operation.\n\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Carmex","offers":[{"title":"Default Title","offer_id":40316047917134,"sku":"40-8NPT","price":91.88,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/sr-insert_5463641d-f54c-4dfb-854c-32fb97f26add.jpg?v=1697553091"}],"url":"https:\/\/www.protool-ltd.co.uk\/collections\/sr-indexable-thread-mill-inserts-npt.oembed","provider":"Protool Precision Tools","version":"1.0","type":"link"}