Insert, CCMT-21.51 Carbide

CCMT-21.51 carbide insert is a 80° diamond with a 7° relief. The center hole is a 40°-60° single countersink, and a single-sided chip breaker. It has an inscribed circle (IC) of 0.25" (1/4"), a thickness of 0.094" (3/32"), and a corner (nose) radius of 0.0156" (1/64"). The carbide material is is optimized for machining stainless steels, carbon steels, and high-temp alloys. The insert is designated CCMT21.51 (ANSI) or CCMT060204 (ISO). Inserts are sold individually—no need to buy a pack of 10 inserts. *NOTE: Make sure you get the correct inserts and retaining screws for your indexable turning tools. Our chart of indexable inserts shows which inserts and which screw to use with each of our indexable tools.