Irwin 1890763 9/16 x 72 Irwin Flex Shank Installer Bit Wood Screw 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

Screw Tip: Screw tip with aggressive pitch delivers easy starts and fast drilling

Aeronca x 5 1428 main aisle around 8