professional tool quality est. 1973
Article number: 9622
Twist Drill Set, HSS-G black oxide, 19 pcs., 1-10 mm
- fully ground, manufactured according to DIN 338
- with split point from 3 mm ø, according to DIN 1412C, tip angle 135°
- triangle shank from 5 mm ø, to prevent slipping in the chuck
- ideal for difficult to machine materials < 1100 N/mm², e.g. steel, cast iron
- ø 1.0, 1.5, 2.0, 2.5, 3.0, 3.5, 4.0, 4.5, 5.0, 5.5, 6.0, 6.5, 7.0, 7.5, 8.0, 8.5, 9.0, 9.5, 10.0 mm