› Irwin Industrial Tools 3046005 1-1/8-Inch 3-Cutter Self Feed Drill Bit

1-1/8" Diameter, Speed or Max Self Feed Wood Drill Bit, 3 Times The Cutting Area & Edges Of Standard Self Feed Bits, 7/16" Hex Quick Change Impact Shank That Fits1/2" Or Larger Drills, Also Fits 7/16" Hex Impact Wrench Drills, For Drilling Large...