With cross cut A-C short, right cutting, and a cylindrical shank, this precision ground twist drill is of industrial quality, designed for drilling alloyed and unalloyed steels, grey cast iron, malleable cast iron, copper alloy, nickel silver, graphite, and sintered iron. Its wide flutes and reinforced core allow for a drilling depth nearly equal to the twist length and facilitate good chip removal. The point angle is 118°, and the surface is blued from 1.0 mm, with all dimensions starting from 4.0 mm featuring special grinding "AC." This industrial quality drill is suitable for NC machines, precise due to a modern grinding process, and breakage stable thanks to CNC-controlled heat treatment.