Tapcon 5/16 In. x 2-1/4 In. Hex Washer Concrete Screw Anchor (4-Count) 24192
As the original Concrete screw anchor that revolutionized the construction world, Tapcon delivers ease of use, superior precision and the unparalleled performance that professionals demand. The new Hex Head provides underhead ribs designed to minimize rework due to headsnaps.