Step drill bit FORUM, HSS -TiN, Ø 4 – 20 mm

Universal step drill bit for driller.

Characteristics:

•  HSS

•  TiN – coating of the drill bit

•  Laser inscribed diameters of the steps

•  2 cutting edges

•  The stepped construction allows drilling of multiple diameters with only one drill bit

•  The specific shape allows expansion of existing openings in metal

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

•  Step length: 4 mm

•  Total length: 67 mm

•  GripØ h8: 8 mm

•  Steel < 850 N: recommended

•  Steel < 1000 N: recommended

•  INOX: suitable to a limited extent

•  Aluminum, non-ferrous metals, non-ferrous alloy: recommended

•  Diameter of drilling steps:4, 6, 8, 10, 12, 14, 16, 18, 20 mm