Irwin 4935639 Jobber Drill Bit 3/16 in Dia 4-1/4 in OAL Spiral Flute 1/4 in Dia Shank Hex Shank

High-quality steel with black oxide finish for corrosion resistance when used in applications such as automotive, MRO, portable drills, stationary drill press, 1/4 in hex shank with quick change for ease of use in impact drivers and quick change drill/drivers.