Type 150 M42 Cobalt NAS 907J
- 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.
- Sizes: 1/16-1/2 by 64ths
- Sizes: A - Z
- Sizes: #1 - 60