- 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" or larger electric drills or 7/16 in. hex impact wrench drills
- Precision milled shank eliminates runout and wobble
- Forged in one piece from high carbon steel for maximum strength under tough drilling conditions
- Ideal for pipe and conduit systems
![Irwin® Speedbor MAX Self-Feed Wood Bits, 3", #IR-3046014 (1/Pkg) Irwin® Speedbor MAX Self-Feed Wood Bits, 3", #IR-3046014 (1/Pkg)](https://cdn11.bigcommerce.com/s-gdy1ehz/images/stencil/500x659/products/260133/447402/3046014__89151.1668462363.jpg?c=2)