Step drill bit FORUM, HSS – TiN, PG7 – 29, Ø 12.5 – 30.5 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: 92 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 steps for PG holes: 12.5 (PG7), 15.2 (PG9), 18.6 (PG11), 20.4 (PG13.5), 22.5 (PG16), 28.3 (PG21), 30.5 (PG29) mm