8.5 mm HSS twist drill bit 230170

DIN 338/HSS twist drill type N. Blade angle 118°, helix angle 25 - 35°, tolerance Ø h 8, high-speed steel with increased cutting efficiency; for drilling alloyed and non-alloyed steel and cast steel up to approx. 900 N/mm², gray cast iron, ductile cast iron, sintered iron, nickel-plated brass, graphite, short-chipping aluminum alloys, die casting, bronze, malleable brass.
Unit packaging - blister:
0.5 - 3.0 mm; 1 pack = 3 pcs
3.2 - 6.0mm; 1 pack = 2 pcs
6.5 - 13.0 mm; 1 pack = 1 piece