Black Oxide Drill Bit - 2 pcs The HSS Tool Material provides good wear resistance in mild steels, soft metals (aluminum, copper,brass, bronze) and non-ferrous materials. The Black Oxide Coating helps retain lubricants to aid in wear resistance and chip flow. Features include... 9/16" Mill Diameter 0.5625" Diameter 4 13/16" Flute Length 6 5/8" Overall Length Black Oxide Coated 118° Point Angle 2 pcs
