{"product_id":"16el12unk20","title":"16EL12UNK20 - Carmex Thread Turning External Insert - UN (UNC,UNF,UNEF,UNS) - Left Hand","description":"\u003cdiv\u003e\n\u003cp\u003e\nIntroducing Carmex Thread Turning External Insert 16EL12UNK20 — a triangular, laydown insert engineered to cut external threads to UN standards (UNC, UNF, UNEF, UNS) with a left-hand orientation. This versatile tool is ideal for machinists, engineers, and maintenance teams who need reliable performance across a broad range of thread types in a single, durable solution. Its robust carbide composition and optimized geometry help deliver consistent, repeatable threads from basic to demanding applications.\n\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eBroad UN thread compatibility\u003c\/b\u003e: One insert covers UNC, UNF, UNEF, and UNS external threads, reducing tool changes and simplifying inventory while preserving accuracy across multiple thread forms.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eLeft-hand threading performance\u003c\/b\u003e: Specifically designed for left-handed threads, providing smooth cutting action, stable chip flow, and predictable results in production or repair work.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDurable carbide with precision geometry\u003c\/b\u003e: Hardened carbide with optimized rake and edge geometry for long life, better finish, and lower rework on a wide range of materials.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\nThis insert helps you streamline tooling, minimize downtime, and consistently produce high-quality thread profiles. With Carmex, you get dependable performance from a supplier trusted by professionals for tough threading tasks—across shops, job sites, and maintenance bays.\n\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Carmex","offers":[{"title":"Default Title","offer_id":40274728452174,"sku":"16EL12UNK20","price":7.74,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0560\/3747\/4382\/files\/BMA_STANDARD_b4d54149-de43-4c76-8166-c7ece2414d26.jpg?v=1693482436","url":"https:\/\/www.protool-ltd.co.uk\/products\/16el12unk20","provider":"Protool Precision Tools","version":"1.0","type":"link"}