U Drive Screw, Grip Style Not Applicable, Type U Drive Screw, Finish Zinc Plated, Material Steel, Thread Size #7-5/16, Fastener Length 5/16 in, Thread Style Fully Threaded, Thread Length Not Applicable, Head Width 0.285 in, Head Height 0.111 in, Tensile Strength Not Applicable, Head Type Knurled, Maximum Head Width 0.285 in, Minimum Head Width 0.264 in, Maximum Head Height 0.111 in, Minimum Head Height 0.099 in, System of Measurement Inch, Head Material Steel, Package Quantity 100