Building America since 1975, Grip-Rite is preferred by professionals nationwide and is the brand you turn to when you need to get a job done right. Whether that job is residential or commercial, spanning days or months, we know reputations are built on quality, value and trust. No. 3/16 in. wire X 3-1/4 in. L Hex Drive Hex Washer Head Concrete Screws 100 pk are ideal for concrete, block and brick applications. The hex washer head provides a large bearing surface for greater torque and shear resistance.
