Forum Twist Drill DIN 1870 TF HSS 25,00 x 555 mm MK

Twist drills with morse taper shank - extra long, HSS, type TF, DIN 1870, profile ground

- DIN 1870
- HSS
- Profile ground
- Type TF
- Spiral angle 38°
- Point angle 130°
- Side rake angle larger than normal
- Core thickness considerably thicker than normal
- Without core rise
- Shank (DIN) MK 1-3


Advantage: Pointing out according to DIN 1412, form A. For drilling extremely deep holes up to 10 x D. Exceptions: CrNi steels, INOX steels etc.
Surface steam tempered.