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.

• 1/4 in hex shank works in Lock-N-Load extensions as well as all drill chucks
• 1/4 in hex shank works in Lock-N-Load extensions as well as all drill chucks
• Black oxide coating resists corrosion