2-1/4" diameter, Speedbor max self feed wood drill bit, 3 times the cutting area & edges of standard self feed bits, 7/16" Hex quick change impact shank fits 1/2" or larger drills, also fits 7/16" Hex impact wrench drills, for drilling large diameter holes in wood, aggressive screw Pitch, precision milled shank eliminates run out & wobble, forged in 1 piece from high carbon steel for max strength under tough drilling conditions, ideal for pipe & conduit systems, Carded.
Irwin Industrial Tools 3046012 2-1/4-Inch 3-Cutter Self Feed Bit. For fast, rough or clean and exact holes, Irwin's extensive line of woodboring drill bits provide the user with the best available tools for each application in achieving their wood drilling needs.