- 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 In. hex quick change impact shank that fits 1/2 In. or larger electric drills or 7/16 In. hex impact wrench drills
- Precision milled shank eliminates run out and wobble
