... Cutter, Turning Tool, Countersink, Round Rod, Tool Bit, Carbide Tip, Ejector Pin, Punch, Mold Etc.1.machine reamer ... , ALTIN, TIAIN, etc.sizesstandard and non-standard.materialsolid carbide,hss,hss-coworkpiecwood,plywood,steel,aluminum,plastic,glass,stone etctool ... resistant application.hardnessGood for machining up to HRC65 degree carbide step reamer drilling and milling reamer and tapered hand ...