HSS-G metal drill bits, ground version, cylindrical, DIN 338, type N, cross-ground 135°, bright surface, 19 pieces, in metal case O 1 - 10 x 0.5 mm for drilling in steel and cast steel, alloyed and unalloyed, grey cast iron, malleable cast iron, sintered iron, nickel silver, graphite, non-ferrous metals, plastics tensile strength up to 900 N/mm2 **