Product Description IRWIN Flexible Installer Bits with Augur Tip feature a Type A tip which combines a screw tip with an aggressive pitch for easy starts and fast drilling with dual cutting spurs for faster, cleaner holes with less breakout. These bits are made with a hole in the flute for easy wire pulling through walls, ceilings and floors. They have a 3-flatted shank to prevent slipping in drill chucks and the shank also includes a hole for wire pulling.
Irwin 1890764 Flexible Installer Drill Bit with Auger Tip, 3/4-Inch Shank, 72-Inch Length
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