Dormer Spiralbohrer Typ N A777 D.3,18mm HSS-E Zylinderschaft 10 Stück

High Speed Cobalt (HSCo) provides superior hot hardness when drilling 135 degree split point provides self centering, low thrust and easier penetration Heavy Duty design provided increase strength for drilling difficult materials Bronze finish identifies Cobalt based substrate and reduces built-up-edge For use on machines or hand held applications