Large diameter bits with smaller shanks to enable use in standard drill chucks. 

Suitable for drilling holes in steel, cast iron, non-ferrous metal and plastic

118° tip cutting angle

12.7mm reduced parallel shank bit

Manufactured from High Speed Steel

Hot roll-forged process, giving the bit good flexibility and break resistance

Produced according to DIN338 standard

Black oxide finish, which strengthens the outside surface of the bit