HSS-G metal drillSuitable for alloyed and unalloyed steel up to a tensile strength of 900 N/mm², cast steel, cast iron cast iron, cast iron sintered, cast iron Non-ferrous metals, hard plasticsPrecision-ground HSS-G steel drill bits deliver up to 40% faster drilling progress and up to 50% lower feed force than standard ground HSS drill bits with bevel groundSelf-centering cross recess drill tip makes pre-scoring or pre-drilling up to 10 mm à unnecessaryThe HSS-G drills are available in two qualities. The top line drill for the highest demands and the standard drill for professional use1-13 mm25pcs. ProBox Metal driller set HSS-G, DIN 338, 135 °This text is machine translated.