{"title":"Multi Insert Toolholders - SR Range","description":"","products":[{"product_id":"sr0063c21-5","title":"Carmex Internal Multiple Threading Insert holder - For Carbide External\/Internal Threading Inserts - SR0063C21-5","description":"\u003cdiv\u003e\n\u003cp\u003e\nThe Carmex Internal Multiple Threading Insert Holder is a precision tool designed for CNC mills to efficiently machine internal threads using indexable carbide inserts. Ideal for shops seeking reliable, cost-effective internal thread milling with quick insert replacement.\n\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eInternal threading holder\u003c\/b\u003e: Mill-Thread tool holder engineered for internal applications and internal thread milling on CNC milling machines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMulti-insert capacity\u003c\/b\u003e: Accepts 4–8 inserts per holder to extend cutting coverage and reduce tool changes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCarbide insert compatibility\u003c\/b\u003e: Designed to work with multi-tooth carbide inserts for robust, high-speed cutting and efficient chip evacuation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInternal-only design\u003c\/b\u003e: Specifically optimized for internal threading operations, ensuring precise engagement and consistent results.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eModel and compatibility\u003c\/b\u003e: Part number SR0063C21-5 for traceability and integration with existing milling setups.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCost-effective tooling\u003c\/b\u003e: A cost-efficient alternative to taps and dies, lowering overall tooling costs while maintaining threading quality.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\nThis holder empowers you to tackle a wide range of internal thread milling tasks with confidence. By leveraging multiple carbide inserts, you can push for higher cutting speeds, extend tool life, and minimize downtime through selective insert replacement—delivering consistent thread quality across jobs without the need for specialized taps and dies.\n\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Carmex","offers":[{"title":"Default Title","offer_id":40318191829070,"sku":"SR0063C21-5","price":407.52,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/internal-multi-holder_7a62449c-52d4-4ff0-8397-5b14636105a1.jpg?v=1697624442"},{"product_id":"sr0063c30-4","title":"Carmex Internal Multiple Threading Insert holder - For Carbide External\/Internal Threading Inserts - SR0063C30-4","description":"\u003cdiv\u003e\n\u003cp\u003eDesigned for precision internal threading on CNC milling centers, the Carmex Internal Multiple Threading Insert Holder (SR0063C30-4) brings multi-insert efficiency to internal thread milling. It’s ideal for shops needing reliable internal threads with lower tooling costs and higher productivity. \u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eMulti-insert capacity\u003c\/b\u003e: Holds 4–8 carbide inserts per holder for aggressive, multi-tooth engagement on internal threads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInternal-threading focused\u003c\/b\u003e: Specifically designed for internal applications on CNC mills, enabling efficient thread milling via helical interpolation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCarbide insert compatibility\u003c\/b\u003e: Utilizes multi-tooth carbide inserts to achieve higher cutting speeds and longer insert life.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCost-efficient threading solution\u003c\/b\u003e: A practical alternative to taps and dies, with easy replacement of worn inserts to keep production moving.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMill-Thread family compatibility\u003c\/b\u003e: Part of Carmex’s Mill-Thread line, offering a modular approach to consistent internal threading performance.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eBy using multiple carbide inserts in a single holder, you can achieve faster cutting and more consistent thread quality across diameters and pitches, thanks to shared load and simultaneous tooth engagement. The internal-only design keeps the operation focused on internal threading tasks, while the modular Mill-Thread platform makes insert changes quick and predictable, reducing downtime and per-thread cost. This approach is especially valuable for high-volume internal threads and threaded holes in automotive, aerospace, and general engineering applications. In practice, multi-insert tools can deliver meaningful productivity gains by increasing material removal rates without sacrificing accuracy, often at a lower cost per thread than traditional taps or single-point methods. \u003c\/p\u003e\n\u003c\/div\u003e","brand":"Carmex","offers":[{"title":"Default Title","offer_id":40318191960142,"sku":"SR0063C30-4","price":407.52,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/internal-multi-holder_0a7d1e58-772a-46d0-af3d-657ce3322b0a.jpg?v=1697624445"},{"product_id":"sr0080d30-4","title":"Carmex Internal Multiple Threading Insert holder - For Carbide External\/Internal Threading Inserts - SR0080D30-4","description":"\u003cdiv\u003e\n\u003cp\u003e\nThe Carmex Internal Multiple Threading Insert Holder (SR0080D30-4) is a precision milling solution designed for internal threading tasks on CNC machines. It accommodates multiple carbide inserts to deliver fast, reliable thread milling with consistent results.\n\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eModel\u003c\/b\u003e: SR0080D30-4 internal threading insert holder designed for internal applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMulti-insert capacity\u003c\/b\u003e: Holds 4–8 carbide inserts per holder for extended cutting reach\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCompatibility\u003c\/b\u003e: Optimized for carbide threading inserts used in internal threading operations\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eApplication\u003c\/b\u003e: Specifically engineered to perform internal threading on CNC milling machines via helical interpolation\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCost efficiency\u003c\/b\u003e: A practical, economical alternative to traditional taps and dies due to replaceable carbide inserts\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\nThis holder enables rapid setup and wear management by allowing multiple inserts to be mounted in a single tool body. With the ability to distribute wear across several inserts, users can maintain steady thread quality across longer runs. The design supports high cutting speeds inherent to carbide inserts, helping teams boost productivity without sacrificing precision. Ideal for shops performing frequent internal threading on CNC mills, this holder reduces tooling costs while delivering repeatable results on a range of thread sizes.\n\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Carmex","offers":[{"title":"Default Title","offer_id":40318191992910,"sku":"SR0080D30-4","price":438.84,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/internal-multi-holder_bccc370b-0676-4708-8947-50c19267e8c7.jpg?v=1697624449"},{"product_id":"sr0080d40-4","title":"Carmex Internal Multiple Threading Insert holder - For Carbide External\/Internal Threading Inserts - SR0080D40-4","description":"\u003cdiv\u003e\n\u003cp\u003e\nCarmex's Internal Multiple Threading Insert Holder (SR0080D40-4) is a compact mill-thread tool holder designed for internal threading on CNC milling machines. It accommodates multiple carbide inserts, delivering higher cutting efficiency and reduced tool changes for precise internal thread production.\n\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eMulti-insert capacity\u003c\/b\u003e: Holds 4–8 inserts per holder, maximizing cutting edges per setup.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInternal threading design\u003c\/b\u003e: Specifically configured for internal threading applications in CNC milling with helical interpolation programs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCarbide insert compatibility\u003c\/b\u003e: Built to accept carbide inserts for sharp, durable threading tools.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eModel SR0080D40-4\u003c\/b\u003e: Dedicated internal threading insert holder engineered for stability and repeatable results.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\nUsing this holder, you can achieve efficient internal thread milling with higher productivity and lower tooling costs relative to taps and dies. The multi-insert arrangement minimizes downtime from tool changes, while stable insert seating supports consistent thread quality across production runs. This solution is ideal for shops performing frequent internal threading on a variety of workpieces using CNC milling equipment.\n\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Carmex","offers":[{"title":"Default Title","offer_id":40318192123982,"sku":"SR0080D40-4","price":438.84,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/internal-multi-holder_d4694dea-cf51-4e0c-a211-c71a84b9f78e.jpg?v=1697624452"},{"product_id":"sr0100d30-4","title":"Carmex Internal Multiple Threading Insert holder - For Carbide External\/Internal Threading Inserts - SR0100D30-4","description":"\u003cdiv\u003e\n\u003cp\u003e\nThe Carmex Internal Multi-Threading Insert Holder (SR0100D30-4) is a dedicated internal threading tool for CNC milling that enables reliable, high-productivity thread milling with replaceable carbide inserts.\n\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eModel and purpose\u003c\/b\u003e: Carmex Internal Multiple Threading Insert Holder (SR0100D30-4) designed for internal threading tasks on milling machines\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInsert capacity\u003c\/b\u003e: Supports 4–8 inserts per holder to cover diverse thread profiles without changing tools\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInternal-only compatibility\u003c\/b\u003e: Specifically engineered for internal applications and internal threading inserts\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMachining efficiency\u003c\/b\u003e: Multi-tooth carbide inserts deliver higher cutting speeds and efficient material removal\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCost efficiency\u003c\/b\u003e: Reduces tooling costs by using replaceable inserts instead of traditional taps and dies\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eApplication method\u003c\/b\u003e: Suited for CNC milling with helical interpolation to achieve precise internal threads\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCategory\u003c\/b\u003e: Part of Carmex’s Mill-Thread tool holder line, optimized for repeatable internal threading performance\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\nDesigned for shops focused on precision internal thread milling, this holder delivers consistent outcomes across multiple inserts, simplifies setup, and helps lower overall tooling expenditure. Its robust design supports rapid insert changes and stable positioning, making it ideal for high-volume internal threading tasks and production environments where uptime matters.\n\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Carmex","offers":[{"title":"Default Title","offer_id":40318192287822,"sku":"SR0100D30-4","price":461.54,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/internal-multi-holder_1cf5899c-300b-4db9-8b13-1a1ea0db0ff1.jpg?v=1697624456"},{"product_id":"sr0100d30-8","title":"Carmex Internal Multiple Threading Insert holder - For Carbide External\/Internal Threading Inserts - SR0100D30-8","description":"\u003cdiv\u003e\n\u003cp\u003e\nThe Carmex Internal Multiple Threading Insert Holder SR0100D30-8 is a precision tool designed for CNC milling teams that perform internal threading with carbide inserts. It offers a robust, multi-insert solution to streamline internal threading work while controlling tooling costs.\n\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eModel and compatibility\u003c\/b\u003e: SR0100D30-8, part of Carmex’s Mill-Thread tool holder family, designed specifically for internal applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMulti-insert capacity\u003c\/b\u003e: Accepts 4–8 inserts per holder to enable multiple threading passes with a single setup.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInternal threading focus\u003c\/b\u003e: Optimized for internal threading tasks, compatible with carbide internal-threading inserts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eProductivity boost\u003c\/b\u003e: Multi-tooth carbide inserts and the multi-insert design drive higher cutting speeds and greater throughput on CNC mills.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCost efficiency\u003c\/b\u003e: A practical, reusable alternative that helps reduce tooling costs compared with traditional taps and dies.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\nThis holder is ideal for shops that routinely machine internal threads on metal components using CNC milling with helical interpolation. By consolidating multiple inserts into one holder, it minimizes tool changes and enhances consistency across threaded features, making it a smart choice for precision threading jobs on a range of projects.\n\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Carmex","offers":[{"title":"Default Title","offer_id":40318192517198,"sku":"SR0100D30-8","price":509.5,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/internal-multi-holder_d1416d74-740c-42e9-841f-84ee61abc140.jpg?v=1697624460"},{"product_id":"sr0100e40-4","title":"Carmex Internal Multiple Threading Insert holder - For Carbide External\/Internal Threading Inserts - SR0100E40-4","description":"\u003cdiv\u003e\n\u003cp\u003e\nThe Carmex Internal Multiple Threading Insert Holder SR0100E40-4 is a precision mill-thread tool holder designed for internal threading with carbide inserts. Built for CNC milling environments, it enables fast, multi-insert threading with dependable stability.\n\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eInsert capacity\u003c\/b\u003e: Holds 4–8 carbide threading inserts per holder for efficient, multi-tooth cutting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCompatibility\u003c\/b\u003e: Part of Carmex's Mill-Thread line and designed for internal applications only.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eModel\u003c\/b\u003e: SR0100E40-4\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTooling economics\u003c\/b\u003e: More cost-effective than traditional taps and dies for internal threading operations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMachining technique\u003c\/b\u003e: Supports internal threading via CNC milling with helical interpolation to form precise threads.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\nThe holder is built to maximize productivity by spreading wear across multiple inserts and enabling higher cutting speeds. It’s ideal for shops performing high-volume internal threading on parts like housings and threaded bores, where consistent thread quality and reduced downtime matter most.\n\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Carmex","offers":[{"title":"Default Title","offer_id":40318192713806,"sku":"SR0100E40-4","price":461.54,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/internal-multi-holder_68607824-1a73-4868-8357-8dd29e53dbe8.jpg?v=1697624463"},{"product_id":"sr0100e40-6","title":"Carmex Internal Multiple Threading Insert holder - For Carbide External\/Internal Threading Inserts - SR0100E40-6","description":"\u003cdiv\u003e\n\u003cp\u003e\nThe Carmex SR0100E40-6 Internal Multiple Threading Insert Holder is a purpose-built solution for CNC milling that uses replaceable carbide inserts to form internal threads with precision and efficiency. Designed for shops aiming to speed up internal threading jobs, it leverages a multi-insert configuration to maximize productivity.\n\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eMulti-insert configuration\u003c\/b\u003e: Holds 4–8 inserts in a single holder, enabling more cutting time per setup.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInternal-threading focused\u003c\/b\u003e: Specifically engineered for internal thread milling on CNC mills, using helical interpolation for clean, accurate threads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCarbide insert compatibility\u003c\/b\u003e: Ready to accept multi-tooth carbide inserts to boost cutting performance and wear life.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCost-efficient tooling\u003c\/b\u003e: A more economical option for internal threads compared with traditional taps and dies.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMill-Thread tool holder family\u003c\/b\u003e: Part of Carmex’s Mill-Thread line, optimized for internal applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eModel SR0100E40-6\u003c\/b\u003e: Precisely configured to fit this specific holder and ensure reliable integration with existing setups.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\nWhen used on CNC milling machines, this holder enables rapid internal thread generation with consistent pitch and finish. The ability to deploy multiple carbide inserts in one pass reduces tool changes and per-thread costs, helping production environments achieve higher throughput while maintaining thread accuracy. Its internal-only design focuses engagement and alignment for reliable performance across a range of workpieces, from prototypes to higher-volume parts.\n\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Carmex","offers":[{"title":"Default Title","offer_id":40318192877646,"sku":"SR0100E40-6","price":313.54,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/internal-multi-holder_d8a087ee-3030-430c-8d32-b59a29bb3a89.jpg?v=1697624467"}],"url":"https:\/\/www.protool-ltd.co.uk\/collections\/multi-insert-toolholders-sr-range.oembed","provider":"Protool Precision Tools","version":"1.0","type":"link"}