Twist drill HSS - Maykestag DIN 340 RN 3.5x112 mm. This long version features a cross section A-C, right-hand cutting, and a cylindrical shank. It is a precision-ground twist drill in industrial quality, designed for drilling alloyed and unalloyed steels, grey cast iron, malleable cast iron, copper alloy, nickel silver, graphite, and sintered iron. Key features include wide flutes and a reinforced core, allowing for a drilling depth almost corresponding to the length of the twist and good chip removal. The point angle is 118°, and the surface is blued from 1.0 mm. All dimensions from 4.0 mm include special grinding "AC." This industrial quality drill is suitable for NC machines, offering precision due to a modern grinding process and breakage resistance from CNC-controlled heat treatment.