Sheet Metal Screw Head Type Hex Washer Finish Zinc Plated Material Steel Screw Size #7 Fastener Length 1/2 in Head Width 0.328 in Head Height 0.093 in Dimensional Standards ASME B18.6.4 Pack Size Small System of Measurement Inch Drive Slotted For Use in Systems Resin-Filled Plywood Package Quantity 100