Self-centering HSS metal drill bit 9.5 mm from Alpen: Long twist drill with precision grinding, industrial quality, for precision drilling of unalloyed and alloyed steel, grey cast iron, malleable cast iron, copper alloys, brass with high nickel content, graphite, and sintered steel. Pay attention when drilling deep holes. The drill is manufactured according to DIN 1869 and has a specially sharpened point, known as a split point, which allows for precise drilling on any surface without scratches, even on rounded surfaces such as pipes and solid shafts. The elongated HSS grinding drill features a specially sharpened tip at an angle of 118 degrees. Thanks to the oxidized grooved spiral coating, chips are quickly removed during drilling. HSS metal drill bit 9.5 mm parameters: Diameter: 9.5 mm, point angle: 118 degrees, total length: 250 mm, working length: 175 mm, packaging: plastic box.