HSS-G drill bits Pro-Box 19 pieces 1.0-10.0mm 2608587013

HSS-G drill bits Pro-Box 19 pieces 1.0-10.0mm 2608587013 – Bosch – 3165140689779: The ground HSS twist drill drills into metal with the highest precision. The self-centering drill bit with cross ground and a point angle of 135 degrees enables perfect centering without wandering. The cross-ground drill tip eliminates the need for center punching or pre-drilling up to 10 mm in diameter. This precision-ground drill made from HSS steel drills 40% faster and requires 50% less contact force than conventionally ground HSS drills. It is suitable for drilling holes in alloy and unalloyed steel, cast steel, cast iron, sintered iron, malleable iron, non-ferrous metals and hard plastic. The ground HSS twist drill is manufactured according to DIN 338. It belongs to the drill type N (small side rake angle) with drill point 135 degrees and diameter tolerance h8.