Irwin 4935639 BLACK OXIDE BIT-HEX

4935639 Black Oxide High Speed Steel 1/4" Hex Shank Drill Bit - 3/16". 135° split-point tip starts drilling immediately and eliminates ”walking”. Engineered with high speed steel with black oxide coating for corrosion resistance. 1/4" hex shank works in all Lock-n-Load® quick-change extensions as well as all drill chucks. Applications: Automotive, maintenance and repair, portable drills, stationary drill press. Carded. Size: 3/16". Decimal Equiv: 0.1875. Flute Length: 2-3/8". Overall Length: 4-1/4".