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. Deep, open throat design clears chips for faster, cleaner cuts. Feed-screw pilot draws bit into wood. Full length is heat-treated and tempered. Shanks are 7/16 inch hex to fit 1/2 inch and larger three-jaw chucks. Head and twist are ground to correct clearance for easy removal from hole. For heavy construction and repair work in mines, on docks and bridges as well as electrical work.
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