#56 Wire Gauge 135 Degree Split Point - M42 Cobalt Jobber Length Drill Bit Type 150-DN TiN Coated (6/Pkg.)
- Manufactured from M42 HSS containing 8% cobalt which increases high red hardness.
- Cobalt drills require rigidly held positive feed drilling equipment.
- Manufactured to NAS 907J specifications.
- The TiN coating aids lubricity and extends tool life.