26 Piece Type 150 M42 Cobalt Heavy Duty Jobber Length Drill Bit Set, Norseman Drill #68380

Description

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 A to Z