HSS cylindrical metal drill bits Ø 4x 75 mm (x 2) for drilling copper, brass, zinc, plastic, etc. Plus points: no more drill bits jamming in tools, less friction, improved service life and excellent malleability.

• · Cylindrical shank.
• · Monoblock head.
• · Helix angle between 23° and 33°.
• · For drilling copper, brass, nickel, zinc and plastics.
• · Particularly suitable for 600 N/mm² carbon steels, standard 800 N/mm² steels and standard 900 N/mm² steel alloys.
• · Not suitable for drilling in stainless steel.