... Mill, Ball & Nose End Mill, Corner Radius End Mill, Roughing End Mill, Drill Bits, Twist Drill, Center Drill, Spotting ... with a certaindegree of accuracy in machine tools. Semi-finishing and finishing the holes, Also used for the preworking of grinding. ... is following. coatingTIN, TIALN, ALTIN, TIAIN, etc.sizesstandard and non-standard.materialsolid carbide,hss,hss-coworkpiecwood,plywood,steel,aluminum ...