... 14.9 ≥92.0 ≥1860Fine grain alloy, good wear resistance, Suitable for semifinishing of chilled cast iron, non-ferrous metal ... ≥2150 Fine grain alloy, good wear resistance. Used for processing hard wood, veneer board, PCB, PVC and alloy. YS2T M10 14.8 ... resistance, high anti-bending strength, used for steel alloy etc.the grade as follow cutter is YS2T suply manufactory high quality and cheap cemented ...