... . to DIN 1414, type N, straight shank, hss M35, cobalt drill bits Type:Cobalt-alloyed molybdenum high-speed steel, design acc. to ... .Use:For hard-to-machine materials at high temperatures, alloyed and unalloyed steel and different castings over 800 N/mm, cold work ... and hot work steel, bearing steel, high alloyed steel, quenched and subsequently tempered steel, special for ...