Spiral Drill PREMUS, HSS-Co Type N

Version 102000 and 102050:
- made of HSS
- Cone surface grinding
- Gouging from 14,25 mm
- steam treated

Use 102000 and 102050:
Standard twist drill for general machining in alloyed, unalloyed steel, cast steel, gray cast iron, malleable cast iron, ductile cast iron, sintered iron, nickel silver, and graphite.

Version 102350:
- made from HSS-Co
- Cone surface grinding
- Gouging from 10,00 mm
- steam treated

Use 102350:
Alloyed, unalloyed steels and cast types over 800 N/mm², hot and cold work steels, high-alloy steels, quenched and tempered steels, case-hardening steels.