One-piece drill bit (C6,3) with brad point, two main cutting edges, two protruding cutting edges and a hexagonal shank for bit holder (1/4“; C 6,3). For pre-drilling and lightning-fast tool change to screw bit, drilling in all wooden materials and lot of plastics. Good handling with cordless screwdriver. The specially smooth chip flutes enable a good chip removal. Also available as twist drill product line 2597, see twist drills and countersinks. HSS-G Maximum rotation speed of the cordless screwdriver: recommended 3000 rpm