ANSI: CNMG 432W-MF4 TM4000
ISO: CNMG 120408W-MF4 TM4000
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Cemented carbides are a class of hard materials used extensively for cutting tools, as well as in other industrial applications. It consists of fine particles of carbide cemented into a composite by a binder metal. Cemented carbides commonly use tungsten carbide (WC), titanium carbide (TiC), or tantalum carbide (TaC) as the aggregate. Mentions of "carbide" or "tungsten carbide" in industrial contexts usually refer to these cemented composites. The cobalt content could vary from 5% to 23% base on application. 8% to 12% are the most common for cutting tools. Ruthenium is used to replace cobalt as a perfered binder for the best cutting performance.
Grade for its single-point threading inserts to provide the highest possible protection against built-up edge when turning steel workpiece materials. A first of its kind, the grade features a hard, ductile cemented carbide substrate and special dual coating made of CVD and Duratomic layers.
