alpen: Metal drills
- Application: Alloy steel and strength above 1100 N/mm², copper, brass and aluminium- Shank: 3-face shank- Design: Cross ground with 130° point angle- DIN: 338 RN* with cylindrical shaft ...
- Application: Alloyed and unalloyed steel, copper, brass, aluminium, plastics- Shank: Cylindrical- Design: Break-resistant due to high elasticity and toughness, point angle 118°- DIN: 338 RN ...
- Application: Alloyed and unalloyed steel, copper, brass, aluminium, plastics- Shank: Cylindrical- Design: Break-resistant due to high elasticity and toughness, point angle 118°- DIN: 338 RN ...
- Area of application: tough and hard materials such as rust and acid-resistant chrome-nickel steels, alloy steel and strength above 1100 N/mm², copper, brass and aluminium- Shank: 3-face shank- Design: Cross ground with 130° point angle; break-proof- DIN: 1897 PZ- In plastic case ...
- Area of application: alloyed and unalloyed steel, copper, brass, aluminium
Steels < 1.300 N/mm2, Stähle > 45 HRC, stainless steels - Shaft: cylindrical
- Design: 5% cobalt alloyed. Specially for deep holes with special groove formation