Forum Step drill HSS spiral fluted 7-40,50 mm

Universal step drill spiral fluted, surface Blank

- Factory standard
- HSS
- Laser marking of hole Ø and speeds
- 2 cutting edges
- Edge breaker
- Spiral fluted
- Slipping in the drill chuck is prevented by 3-surface shank
- Cross grinding

Diameter of the drilling steps:
Thread core holes for cable
glands: 7-10.5 (M12 x 1.5) -14.5 (M16 x 1.5) - 18.5 (M20 x 1.5) - 23.5 (M25 x 1.5) - 30.5 (M32 x 1.5) - 38.5 (M40 x 1.5), Through holes for cable glands: 7-12.5 (M12 x 1.5) - 16.5 (M16 x 1.5) 20.5 (M20 x 1.5) - 25.5 (M25 x 1.5) - 32.5 (M32 x 1.5) - 40.5 (M40 x 1.5) mm