professional tool quality est. 1973
Article number: 9619
Twist Drill Set, core hole sizes, 7 pcs., HSS-E Cobalt 5%, 2.5-10.2 mm
- 5% cobalt alloy for maximum tool life and cutting ability
- ground from solid material, 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, alloyed and unalloyed <1300 N/mm², e.g. V2A, V4A, steel, cast iron
- ø 2.5, 3.3, 4.2, 5.0, 6.8, 8.5, 10.2 mm