N Cobalt Long Threaded Shank Drill Bit Quantity:1 preventing round-off in high torque

preventing round-off in high torque applications • Extra-deep broach accommodates longer fasteners • High-contrast permanent laser etched size markings are easy-to-read

Size 3/8"-#20

Wrench sizes with a 3/8 inch drive square include 3/4–1-1/2 inch and 19–38 mm

Part Number: Assortment Kit #3851921 Pieces

N Cobalt Long Threaded Shank Drill Bit Quantity:1 preventing round-off in high torqueProduct Description Threaded shank drill bits are type D adapter style. They are made from M42 8% cobalt and are manufactured to NAS 965 Type "D" specifications. They have 135 heavy duty split point and surface treated for drilling hard, tough, high tensile strength materials. When drilling low tensile strength materials, the Type "D" cobalt drill will have a significantly greater tool life than the NAS 965 Type B high speed steel adapter drill,