... ,drilling bits,cold forging dies,bars, balls,burrs ,PCD blades,PCBN blades,ceramic inserts, and customized products etc ... VC, TaC, NbC, BC4, etcNumber and performance of cutting blade series GradeISO CodeDensity g/cm3Hardness HRATRSN/mm2Performance & application ... and cast iron.Other grade of cutting blade may be offered according to customers' requirement. Cemented Carbide Insert Cutting Tools