- Twist drill bit made of high speed steel manufactured to DIN 338- Right-hand cutting twist drill bit, Type N, 135° drill bit tip, split point manufactured to DIN 1412 C, diameter tolerance h8- Shank equal to drill bit diameter, drill bit colour: polished- Two-cutter, cylindrical, two flutes- Note: Use the universal cutting oil 2 607 001 409 when working with HSS-G metal drill bits