11.9mm M42 Cobalt Metric Jobber Split Point Drill Bit Type 150-M (5/Pkg.), Norseman Drill #34522

Description

METRIC – Jobber Length 135º Split Point
M42 Cobalt – NAS 907J

• Manufactured from M42 HSS containing 8% cobalt which
increases high hot hardness.
• Cobalt drills require rigidly held positive feed drilling equipment.
• Manufactured to NAS 907J specifications