{"title":"Single Insert Toolholders - SR Range","description":"","products":[{"product_id":"sr0009h12","title":"Carmex Single Threading Insert holder - For Carbide External\/Internal Threading Inserts - SR0009H12","description":"\u003cdiv\u003e\n\u003cp\u003e\nThe Carmex Single Threading Insert Holder is a precision tool that holds carbide threading inserts for external and internal threads on CNC milling machines. Built for quick, repeatable thread milling with helical interpolation, it helps engineers, machinists, and hobbyists achieve faster cycles and consistent results. As part of the Mill-Thread family, it provides a cost-effective path to threading with replaceable inserts and includes an internal coolant bore to keep cutting conditions stable. Note: SR0009H12 can’t be used with conical inserts: 12-18 NPT \/ 12-18 NPTF \/ 12-19 BSPT.\n\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eInternal coolant bore\u003c\/b\u003e: Keeps the cutting zone cool and controlled, reducing thermal stress and helping extend insert life for more consistent threading results.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eIndexable carbide inserts for higher productivity\u003c\/b\u003e: Multi-tooth carbide inserts enable faster cutting speeds and longer tool life per edge, lowering per-thread costs compared with taps and dies.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMill-Thread family compatibility\u003c\/b\u003e: Designed to pair with a wide range of Mill-Thread carbide inserts for both external and internal threading, delivering easy setup and repeatable, reliable results on CNC mills.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\nThis holder supports a streamlined threading workflow, delivering reliable performance across production and job-shop environments. Its sturdy clamp and modular insert mounting support quick changeovers, helping you finish more parts per shift with consistent thread quality and predictable results.\n\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Carmex","offers":[{"title":"Default Title","offer_id":40318195466318,"sku":"SR0009H12","price":91.2,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/sr-single-insert-holder_c65cda46-dea2-46e2-bf31-878b22a0911c.jpg?v=1697624516"},{"product_id":"sr0010h12","title":"Carmex Single Threading Insert holder - For Carbide External\/Internal Threading Inserts - SR0010H12","description":"\u003cdiv\u003e\n\u003cp\u003e\nThe Carmex SR0010H12 Single Threading Insert Holder is a precision tool holder designed for carbide external and internal threading inserts. Compatible with the Mill-Thread family, it enables threading on CNC milling machines using helical interpolation for fast, reliable threads.\n\u003c\/p\u003e \u003cp\u003e\nThis holder is built for engineers, machinists, job shops, and hobbyists who need a versatile, cost-efficient solution for threading tasks—from prototypes to production runs. It supports quick insert changes and stable, repeatable threading performance, helping you push faster cutting speeds without compromising accuracy.\n\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eInternal coolant bore\u003c\/b\u003e: Directs coolant through the holder to the cutting zone, helping maintain thread precision, reduce heat buildup, and extend insert life during demanding threading jobs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDesigned for Mill-Thread carbide inserts\u003c\/b\u003e: Optimized to seat and align Mill-Thread inserts securely, ensuring consistent thread profiles and reliable seating across operations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eEconomical threading solution\u003c\/b\u003e: A cost-effective alternative to taps and dies that lowers tooling costs while delivering durable performance for both light-duty and production threading tasks.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\nWith the SR0010H12 holder, you can execute precise external and internal threads on CNC mills with confidence. The internal coolant bore improves cooling efficiency and chip control, helping you sustain higher cutting speeds and longer insert life. Its Mill-Thread compatibility provides a flexible, reusable platform for a wide range of threading jobs, reducing setup time and enabling consistent results across shifts. By replacing or supplementing traditional taps and dies, this holder supports leaner tooling inventories and faster throughput, so you can complete more work in less time without sacrificing quality.\n\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Carmex","offers":[{"title":"Default Title","offer_id":40318195695694,"sku":"SR0010H12","price":100.72,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/sr-single-insert-holder_db722a2f-e0cf-4918-bb2c-141a5572b125.jpg?v=1697624520"},{"product_id":"sr0012f14","title":"Carmex Single Threading Insert holder - For Carbide External\/Internal Threading Inserts - SR0012F14","description":"\u003cdiv\u003e\n\u003cp\u003e\nThe Carmex Single Threading Insert Holder is a precision tool holder designed for carbide external and internal threading inserts. It is part of the Mill-Thread family and is built to enable threading on CNC milling machines using helical interpolation, delivering accurate threads with increased productivity.\n\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eInternal coolant bore\u003c\/b\u003e: Helps manage cutting temperatures and maintain insert life for consistent thread quality during demanding milling work.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMill-Thread compatible design\u003c\/b\u003e: Specifically engineered to hold Mill-Thread carbide inserts, enabling quick setup and reliable threading on CNC mills.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCost-effective replaceable inserts\u003c\/b\u003e: Reduces tooling costs by allowing use of affordable, replaceable carbide inserts instead of single-use taps and dies, with less downtime when changes are needed.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\nUsing this holder, you can streamline threaded features across a wide range of parts—from fasteners to housings—by swapping worn inserts rather than entire tools. The internal coolant path helps sustain performance during high-speed milling, while the sturdy, carbide-ready construction resists wear in busy production environments. The result is consistent thread quality, shorter cycle times, and lower overall tooling costs, helping your CNC mills stay productive and cost-efficient.\n\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Carmex","offers":[{"title":"Default Title","offer_id":40318195892302,"sku":"SR0012F14","price":79.68,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/sr-single-insert-holder_b8cc1abc-96bd-4b12-80fa-cd3d8e0aaa7f.jpg?v=1697624523"},{"product_id":"sr0014h14","title":"Carmex Single Threading Insert holder - For Carbide External\/Internal Threading Inserts - SR0014H14","description":"\u003cdiv\u003e\n\u003cp\u003e\nThe Carmex SR0014H14 Single Threading Insert Holder is a precision tool holder engineered to accept carbide external and internal threading inserts for threading work on CNC milling machines. Designed to work with helical interpolation programs, it helps you achieve accurate threads with higher productivity across a wide range of threading applications.\n\u003c\/p\u003e\n\u003cp\u003e\nAs part of the Mill-Thread family, this holder features an internal coolant bore to efficiently direct coolant to the cutting edge, helping manage heat and flush chips for steadier performance. It’s a practical, cost-conscious choice for shops that want reliable threading results without the expense of taps and dies.\n\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eInternal coolant bore\u003c\/b\u003e: Directs coolant to the cutting edge to control heat, improve chip ejection, and extend insert life for longer, more stable threading performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eWide Mill-Thread compatibility\u003c\/b\u003e: Supports a broad range of carbide external and internal threading inserts from the Mill-Thread family, reducing tool changes and inventory while expanding usable threading scenarios.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCost-effective threading solution\u003c\/b\u003e: Delivers economical threading capability that lowers tooling costs compared with taps and dies, while leveraging multi-tooth carbide inserts for higher cutting speeds and productivity.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\nThis holder is a dependable choice for engineers, buyers, and machinists who need consistent, high-quality threads with straightforward setup. It helps streamline workflows, minimizes downtime, and delivers repeatable results across production runs and specialty jobs alike.\n\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Carmex","offers":[{"title":"Default Title","offer_id":40318196121678,"sku":"SR0014H14","price":87.62,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/sr-single-insert-holder_d0a96b1c-4b94-45a8-962a-0f2f9559d7c5.jpg?v=1697624527"},{"product_id":"sr0017h14","title":"Carmex Single Threading Insert holder - For Carbide External\/Internal Threading Inserts - SR0017H14","description":"\u003cdiv\u003e\n\u003cp\u003e\nThe Carmex Single Threading Insert Holder SR0017H14 is a precision tool holder built for carbide external and internal threading inserts. Designed for CNC milling machines, it enables threading with helical interpolation programs, delivering fast, accurate threads while keeping tooling costs down. As part of the Mill-Thread family, it supports a versatile range of carbide inserts to suit different thread pitches and diameters.\n\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eInternal coolant bore\u003c\/b\u003e: Directs coolant to the cutting edge for efficient cooling and chip control, helping extend insert life and maintain thread accuracy at higher speeds.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eVersatile Mill-Thread compatibility\u003c\/b\u003e: Designed to accept carbide external and internal threading inserts from the Mill-Thread family, enabling reliable threading with a single holder and reducing tool changes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCost-effective, high-productivity threading\u003c\/b\u003e: Leverages multi-tooth carbide inserts and high-speed capability to produce threads faster while lowering tooling costs compared with traditional taps and dies.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\nThe Carmex SR0017H14 threading insert holder helps you complete more parts per shift with consistent results, less downtime, and lower overall tooling expenses. It’s a reliable, straightforward solution for precision threading on CNC mills, whether you’re pursuing standard pitches or tackling more demanding threading tasks.\n\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Carmex","offers":[{"title":"Default Title","offer_id":40318196318286,"sku":"SR0017H14","price":98.02,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/sr-single-insert-holder_d181b875-7032-4166-b52e-925ff931177f.jpg?v=1697624531"},{"product_id":"sr0018h21","title":"Carmex Single Threading Insert holder - For Carbide External\/Internal Threading Inserts - SR0018H21","description":"\u003cdiv\u003e\n\u003cp\u003e\nThe Carmex Single Threading Insert Holder SR0018H21 is a precision tool holder engineered for CNC milling threading applications. It supports carbide external and internal threading inserts, helping engineers, machinists, and hobbyists produce accurate, repeatable threads with minimal setup.\n\u003c\/p\u003e \u003cp\u003e\nAs part of the Mill-Thread family, this holder is designed to enable high-speed threading through helix interpolation and multi-tooth carbide inserts. It delivers productive results with lower tooling costs compared with traditional taps and dies. Important compatibility notes: SR0018H21 is incompatible with inserts 21 I 3.5 ISO, 21 I 8 UN, 21 I 7 UN, 21-11 BSPT, 21-11.5 NPT, and 21-11.5 NPTF.\n\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eInternal coolant bore for clean, controlled cutting\u003c\/b\u003e: Delivers coolant directly to the cutting edge to improve chip evacuation, reduce heat buildup, and extend insert life during threading on CNC mills.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOptimized for Mill-Thread carbide inserts\u003c\/b\u003e: Works with multi-tooth carbide inserts to enable fast, reliable threading through helix interpolation, delivering consistent thread quality across a range of materials.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCost-efficient threading solution\u003c\/b\u003e: A modular holder with replaceable inserts that lowers tooling costs compared with taps and dies, while simplifying maintenance and reducing downtime.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\nPairing this holder with compatible carbide inserts gives you a dependable, repeatable threading process that helps you tighten production schedules, improve finish quality, and lower overall production costs. The design supports quick insert changes to keep your workflow moving and your results consistent.\n\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Carmex","offers":[{"title":"Default Title","offer_id":40318196449358,"sku":"SR0018H21","price":121.04,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/sr-single-insert-holder_52d078d5-a5d7-40ca-bdd6-10f8e68da91b.jpg?v=1697624534"},{"product_id":"sr0021h21","title":"Carmex Single Threading Insert holder - For Carbide External\/Internal Threading Inserts - SR0021H21","description":"\u003cdiv\u003e\n\u003cp\u003e\nThe Carmex Single Threading Insert Holder SR0021H21 is a precision tool holder designed to accept carbide external and internal threading inserts for CNC milling. Part of the Mill-Thread family, it enables reliable, repeatable thread milling on modern CNC machines without the need for traditional taps or dies.\n\u003c\/p\u003e \u003cp\u003e\nIt’s built for shops and professionals—engineers, machinists, and operators—who need fast, consistent threading performance. With this holder, you can leverage indexable carbide inserts to boost cutting speeds, improve productivity, and reduce overall tooling costs on threaded jobs.\n\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eInternal coolant bore\u003c\/b\u003e: Delivers coolant directly to the cutting edge, helping reduce insert wear, improve chip evacuation, and produce cleaner thread finishes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eEngineered for Mill-Thread carbide inserts\u003c\/b\u003e: Supports high-speed threading with multi-tooth carbide inserts, delivering faster cycle times and reliable seating for consistent threads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCost-effective tooling option\u003c\/b\u003e: Lower tooling costs compared with taps and dies, while maintaining threading quality and repeatable results across multiple jobs.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\nWhen you pair the Carmex SR0021H21 with compatible threading inserts, you gain a versatile, low-downtime solution that streamlines your threading workflows. The internal coolant bore helps maintain stable cutting conditions, while the holder’s robust build and Mill-Thread compatibility deliver dependable performance across a range of materials. This means fewer tool changes, more productive cycles, and consistent thread quality that you can trust on every job.\n\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Carmex","offers":[{"title":"Default Title","offer_id":40318196547662,"sku":"SR0021H21","price":127.84,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/sr-single-insert-holder_41208fd2-730b-4d12-ba94-d62d86557b2c.jpg?v=1697624538"},{"product_id":"sr0029j30","title":"Carmex Single Threading Insert holder - For Carbide External\/Internal Threading Inserts - SR0029J30","description":"\u003cdiv\u003e\n\u003cp\u003e\nThe Carmex Single Threading Insert Holder SR0029J30 is a precision tool holder designed for carbide external and internal threading inserts. Built for CNC milling machines and using helical interpolation, it delivers fast, accurate thread milling across a wide range of applications.\n\u003c\/p\u003e\n\u003cp\u003e\nThis holder is part of the Mill-Thread family and features an internal coolant bore to keep the cutting edge cool and promote clean chip evacuation. By using multi-tooth carbide inserts, it achieves higher cutting speeds and longer tool life, helping you complete threading jobs faster while significantly reducing tooling costs compared with traditional taps and dies. Compatibility notes apply for conical inserts and certain insert configurations, so be sure to verify which inserts are suitable for SR0029J30.\n\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eInternal coolant bore for improved cooling\u003c\/b\u003e: Direct cooling at the cutting edge minimizes heat buildup, extends insert life, and supports consistent performance during high-speed threading.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eIndexable carbide inserts for faster threading\u003c\/b\u003e: Multi-tooth carbide inserts enable higher cutting speeds, longer life per insert, and reduced downtime between tool changes— boosting productivity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMill-Thread compatible threading tool holder\u003c\/b\u003e: Specifically designed for CNC milling with helical interpolation, delivering reliable, repeatable thread profiles and lowering per-thread tooling costs compared with taps and dies.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\nDesigned to integrate seamlessly into CNC threading workflows, this holder helps you achieve precise, repeatable threads with less tooling expense and downtime. Its robust design and compatibility with the Mill-Thread insert family support efficient setup, consistent results, and improved overall production performance on threading jobs.\n\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Carmex","offers":[{"title":"Default Title","offer_id":40318196744270,"sku":"SR0029J30","price":156.08,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/sr-single-insert-holder_dd115dad-cab0-4c5a-8e2a-e9bc087c2807.jpg?v=1697624542"},{"product_id":"sr0048m40","title":"Carmex Single Threading Insert holder - For Carbide External\/Internal Threading Inserts - SR0048M40","description":"\u003cdiv\u003e\n\u003cp\u003e\nThe Carmex Single Threading Insert Holder SR0048M40 is a precise tool holder designed for CNC milling that accommodates carbide external and internal threading inserts. Part of the Mill-Thread family, it enables threading operations on CNC mills using helical interpolation, delivering faster cutting speeds and flexible insert options for reliable, repeatable threads. This setup helps shops boost productivity while keeping tooling costs lower than traditional taps and dies.\n\u003c\/p\u003e\n\u003cp\u003e\nDesigned for tough production environments, this holder features an internal coolant bore to efficiently deliver coolant directly to the cutting action, helping control heat and chip evacuation for cleaner threads and longer insert life. Built to withstand demanding milling workloads, the SR0048M40 provides stable insert seating and consistent performance across multiple threading applications.\n\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eInternal coolant bore\u003c\/b\u003e: Delivers targeted cooling and chip evacuation at the cut, helping maintain thread quality and reduce wear on inserts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMill-Thread compatibility\u003c\/b\u003e: Supports a broad range of carbide external and internal threading inserts, offering flexible, cost-effective tooling and easy insert swaps.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSecure, durable clamping\u003c\/b\u003e: Robust construction and precise alignment ensure reliable insert seating for consistent thread profiles and reduced downtime during tool changes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\nIn daily production, this holder helps you achieve dependable threading results with less setup fuss, faster cycle times, and lower tooling costs. It’s a practical, trusted choice for engineers, machinists, and shop managers who value steady performance and straightforward maintenance in shared milling operations.\n\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Carmex","offers":[{"title":"Default Title","offer_id":40318196842574,"sku":"SR0048M40","price":212.46,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/sr-single-insert-holder_45c5a2cf-9c32-436d-aeda-95fea9b082f7.jpg?v=1697624546"}],"url":"https:\/\/www.protool-ltd.co.uk\/collections\/single-insert-toolholders-sr-range.oembed","provider":"Protool Precision Tools","version":"1.0","type":"link"}