Irwin Industrial Tools 43022 1-3/8-Inch Self Feed Bit
- For drilling large diameter holes in wood for pipe, conduit and other applications.
- Replaceable coarse screw point drills quickly in dry, wet and gummy wood.
- All bits have a 7/16-Inch hex quick change impact shank that fits 1/2-Inch or larger electric drills or 7/16-Inch hex impact wrench drills.
- Precision milled shank eliminates run out and wobble.
- Forged in one piece from high carbon steel for Maximum strength under tough drilling conditions.