Irwin Tool 3046004 SELF-FEED BIT 1" SPEEDBOR MAX
For drilling large diameter holes in wood for pipe, conduit and other applicationsReplaceable coarse screw point drills quickly in dry, wet, and gummy woodAll bits have a 7/16" hex quick change impact shank that fits 1/2" or larger electric drills or 7/16" hex impact wrench drillsPrecision milled shank eliminates run out and wobbleForged in one piece from high carbon steel for maximum strength under tough drilling conditionsIdeal for pipe and conduit systems
