... VC, TaC, NbC, BC4, etcNumber and performance of cutting blade series GradeISO CodeDensity g/cm3Hardness HRATRSN/mm2Performance & application ... metal, non-metallic materials, uneven surface and discontinuous cutting.YS2TK20-M3014.4-14.691.5-922200-2400Fine grain ... and cast iron.Other grade of cutting blade may be offered according to customers' requirement. Cemented Carbide Insert Cutting Tools