CPMT-432 Black Diamond Coated Carbide Insert

CPMT-432 Black Diamond Positive Rake Carbide Insert ~ I.C. is 1/2. ~ L is 1/2. ~ S is 3/16. ~ d is 0.217. ~ r is .0315. ~ Used for boring & facing. ~ 11° relief angle. ~ Single sided with chip control. ~ ISO insert number is CPMT120408.~ Grade XAC898 is a CVD coated insert which is the combination of hard substrate and a thick coating of Al2O3 & TiCN. ~ Excellent wear and impact resistance when machining nodular cast iron at high speed.