Spiral step drill bit FORUM, HSS – TiAlN, Ø 7 – 32.5 mm

Universal spiral step drill bit FORUM.

Characteristics:

•  Coating TiAlN

•  HSS

•  Laser marking of the steps Ø

•  2 cutting edges

•  Spiral groove

•  Sliding in the chuck is prevented by the 3 – wall shank of the drill

•  Step length: 3 mm

•  Total length: 96 mm

•  GripØ h8: 12 mm

•  Steel < 850 N: recommended

•  Steel < 1000 N: recommended

•  Steel < 1400 N: recommended

•  INOX: recommended

•  Cast iron: suitable to a limited extent

•  Aluminum, non-ferrous metals, non-ferrous alloy: suitable to a limited extent

•  Copper, brass, bronze: suitable to a limited extent

•  No cooling: recommended

•  Mark: FORUM

•  Standard: industrial

•  Diameter of the drilling steps: 7, 10.5, 14.5, 18.5, 23.5, 30.5, 32.5 mm