5/16" Cobalt Stubby Threaded Shank Drill Bit Quantity:1 The bit slots are 0

The bit slots are 0

Part Number ANC5-530-502

Part Number GLBCOX623/64

Part Number DWTHSHEX789

Part Number DWCF320-CC

5/16" Cobalt Stubby Threaded Shank Drill Bit Quantity:1 The bit slots are 0Product 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,