Cobalt 5% HSS Twist Drill Bit DIN338RN

1, Fully ground drill bit 5% Cobalt HSS with 135degrees split point and flute type N.
2, Diameter tolerance h8 standard.
3, The cobalt content makes the bit harder and heightens temperature resistance,for work with hard metals such as stainless steel.
4, To drill holes in unalloyed and alloyed steels (up to 1200/mm2), stainless steel, cast iron.
5, The basic choice for industrial applications and the drilling of materials difficult to machine.