30 Piece Type 150 Ultra Dex – M42 Cobalt Heavy Duty Jobber Length Drill Bit Set, Norseman Drill #68410

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 1/16″ – 1/2″ x 1/64″