{"title":"External Multi Insert Toolholders - SR Range","description":"","products":[{"product_id":"sle0020d21-3","title":"Carmex External Multiple Threading Insert holder - For Carbide External\/Internal Threading Inserts - SLE0020D21-3","description":"\u003cdiv\u003e\n\u003cp\u003e\nThe Carmex External Multiple Threading Insert Holder is a precision tool accessory designed for CNC milling centers to perform external threading with multiple carbide inserts, delivering efficient, repeatable results.\n\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eMulti-insert capacity\u003c\/b\u003e: Holds 3–4 carbide inserts per holder for extended cutting, reducing tool changes during threading operations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eExternal threading focus\u003c\/b\u003e: Specifically designed for external threading applications on CNC mills, enabling reliable thread formation on external surfaces.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMill-Thread family integration\u003c\/b\u003e: Part of Carmex’s Mill-Thread line to ensure consistent seating and alignment with other threading tools.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eRobust clamp design\u003c\/b\u003e: Secure insert clamps maintain precise alignment under load for stable, accurate thread machining.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCarbide-ready\u003c\/b\u003e: Accepts standard carbide inserts, offering durable, high-speed performance for threading tasks.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\nThis holder is built to boost productivity by enabling multiple inserts in a single setup, allowing higher feed rates and fewer tool changes. It helps lower tooling costs compared with traditional taps and dies, while delivering repeatable thread quality and a smooth finish on external threads. Ideal for shops performing high-volume external thread milling on fasteners, connectors, and fittings, it pairs seamlessly with CNC programs that use helical interpolation to produce precise threads.\n\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Carmex","offers":[{"title":"Default Title","offer_id":40318191009870,"sku":"SLE0020D21-3","price":611.26,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/angled-1_ed96f52c-896a-4e41-bb0c-c4234d544355.jpg?v=1697624430"},{"product_id":"sle0030d21-3","title":"Carmex External Multiple Threading Insert holder - For Carbide External\/Internal Threading Inserts - SLE0030D21-3","description":"\u003cdiv\u003e\n\u003cp\u003eThe Carmex External Multiple Threading Insert Holder is a compact, reliable milling tool designed for external threading on CNC machines. Built for shops that need fast, repeatable external thread milling with economical carbide inserts, it supports high-throughput production with minimal downtime.\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eModel\u003c\/b\u003e: SLE0030D21-3\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eExternal threading focus\u003c\/b\u003e: SpecificallyBuilt for external threading applications on CNC milling centers, enabling precise thread formation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMulti-insert design\u003c\/b\u003e: Accommodates 3–4 carbide inserts per holder for extended cutting edges and fewer tool changes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMill-Thread tool holder family\u003c\/b\u003e: Part of Carmex’s Mill-Thread lineup, engineered to deliver consistent performance in external threading tasks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCarbide insert compatibility\u003c\/b\u003e: Uses durable, multi-tooth carbide inserts designed for high-speed cutting and steady wear resistance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCost-efficient tooling\u003c\/b\u003e: A practical alternative to traditional taps and dies, helping reduce overall threading costs.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eUsing this holder, you can achieve faster thread milling cycles on CNC mills with reliable edge life and predictable thread quality. The 3–4 insert configuration allows you to plan multiple passes or edge usage within a single operation, improving productivity while maintaining tight tolerances. Ideal for manufacturing environments that prioritize repeatable external threads and lower tooling expenditures without sacrificing performance.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Carmex","offers":[{"title":"Default Title","offer_id":40318191173710,"sku":"SLE0030D21-3","price":658.14,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/angled-1_416e8c36-f5e9-4654-ba46-c0b47406b325.jpg?v=1697624434"},{"product_id":"sle0045e21-4","title":"Carmex External Multiple Threading Insert holder - For Carbide External\/Internal Threading Inserts - SLE0045E21-4","description":"\u003cdiv\u003e\n\u003cp\u003e\nThe Carmex External\/ Internal Threading Insert Holder (SLE0045E21-4) is a precision Mill-Thread tool holder designed for CNC milling centers that need fast, repeatable threading with carbide inserts. It supports both external and internal threading tasks, delivering flexible performance in a single, robust solution.\n\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eMulti-insert capacity\u003c\/b\u003e: holds 3–4 carbide inserts per holder to increase productivity and allow larger thread forms per pass.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eExternal and internal threading compatibility\u003c\/b\u003e: engineered to accommodate carbide threading inserts for both external and internal thread milling applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMill-Thread family\u003c\/b\u003e: part of Carmex’s Mill-Thread line, built for consistent thread quality and reliable performance in threading jobs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eRigid insert pockets\u003c\/b\u003e: precision-machined pockets keep inserts securely aligned under cutting loads for repeatable results.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCost-efficient tooling\u003c\/b\u003e: enables lower per-thread costs by using replaceable carbide inserts instead of taps and dies.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eModel\u003c\/b\u003e: SLE0045E21-4 for exact specification and compatibility with your milling setup.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\nThis holder is crafted to boost productivity on CNC mills through higher cutting speeds and the use of multi-tooth carbide inserts. By consolidating multiple inserts into one holder, you can reduce tool changes, maintain consistent thread geometry, and lower overall tooling costs on threaded features. It’s especially effective in high-volume threading workflows where repeatability and uptime matter, such as external thread forms on shafts and fittings or internal threads within bores, all managed with precise alignment and dependable performance.\n\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Carmex","offers":[{"title":"Default Title","offer_id":40318191632462,"sku":"SLE0045E21-4","price":794.68,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/angled-1_2210d6ef-b984-43bc-86ce-c13d558cbf4b.jpg?v=1697624438"}],"url":"https:\/\/www.protool-ltd.co.uk\/collections\/external-multi-insert-toolholders-sr-range.oembed","provider":"Protool Precision Tools","version":"1.0","type":"link"}