This is a general representation of what we carry in-store, please give us a call if you don't see what you're looking for.

Countersink Drill Bit, Black Oxide, 5/8-In.

Irwin

5/8", high speed steel, countersink drill bit, tip is milled & precision ground to 82 degrees for countersinking into most machinable materials, engineered with premium high speed steel with black oxide coating for corrosion resistance, features 5 flutes for reduced vibration, 1/4" round shank.