Irwin 1/2" x 36" Flex Shank Installer Bit, Wood Auger Tip

• Hole in flute for easy wire pulling through walls, ceilings and floors
• 3-flatted shank prevents slipping in drill chuck and includes hole for wire pulling
• Tapered flute for faster chip ejection, less binding, and smoother drilling

Auger Tip: Screw tip with aggressive pitch delivers easy starts and fast drilling. Dual spurs for faster, cleaner holes and less breakout.