Irwin Unibit 10220 Step Drill Bit, 9/16 to 1 in Dia, 1-Flute, 7/16 in Dia Shank, Hex Shank holsters easy movement and no tire

easy movement and no tire maintenance

along with decks

The built-in clip attaches to a belt or holster

receiver vial and ergonomic soft grip

Designed to help you complete demanding fastening and drilling projects

Irwin Unibit 10220 Step Drill Bit, 9/16 to 1 in Dia, 1-Flute, 7/16 in Dia Shank, Hex Shank holsters easy movement and no tireHole enlarging features bit single flute cutting edge for greater control through steps and a true round hole, 3 flatted shank prevents slipping in drill chuck. Used in applications such as drilling holes into thin stainless steel, copper, brass, aluminum, plastic and laminates, pilot hole required.