Irwin Impact Concrete Screw Installation Bits 3/16"X 4", 2-3/8 In L Flute
$9.19
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Built-in hex collar for Tapcon®* screws or other concrete screws, serves as a stop feature for drilling the perfect hole depthDrill / drive installation sleeve slides over bit and engages with hex collar to quickly drive hex or Phillips®** head fastenersOne-piece construction withstands higher torque loads than standard quick-change bits1/4" quick-change shank is designed to work with impact drivers, and reduces slipping in standard drill chucks
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