METAL DRILL BIT 8.5MM HSS SUPER DIN338, ALPEN

- twist drills, ground from solid
- toughness combined with good cutting efficiency
- for drilling alloyed carbon and plain steel
- precise thanks to state-of-the-art grinding process
- keen edge thanks to the optimized point shape
- break resistant thanks to CNC heat treatment 
- bright surface
- Ø 8,50 mm
- overall length 117 mm
- thread length 75 mm