Type 150 M42 Cobalt NAS 907J
- Size: 1.0mm - 6.0mm x 0.5mm
- 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.
- 1/16" - 3/8" x 1/64"