Klein Tools 53402 Steel Ship Auger Bit with Screw Point, 3/4-Inch Bit x 4-Inch Twist Length For Drilling Through Wood with Nails

Bits drill through nails, wood, vinyl, plastics, and heavy timber, Special bit steel with machine-ground flutes and polished edges for smooth, wobble-free boring, Head and twist are ground to correct clearance for easy removal from hole, Feed-screw pilot draws bit into wood, Full length is heat-treated and tempered, For heavy construction and repair work in mines, on docks and bridges as well as electrical work