IRWIN Speedbor are designed for clean drilling, fast chip removal and simple wire pulling. Short, standard and long length bits available.

Features

• Aggressive screw pitch for faster drilling 
• 3X Cutting edges extends bit life
• 7/16" Quick Change impact shank for fast bit changes
• For drilling large diameter holes in wood for pipe, conduit and other applications
• Precision-milled shank eliminates runout and wobble
• Replaceable screw tip
• Resharpenable edges