Steel Ship Auger Bit, Screw Point, 1 x 4-Inch

• 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 hold
• 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