Step drill bit FORUM, HSS -TiN, Ø 20 – 30 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: 88 mm

•  GripØ h8: 12 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 the drilling steps: 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30 mm