Sheet Metal Screw Head Type Hex Washer Finish Zinc Plated Material Steel Screw Size #12 Fastener Length 1 in Head Width 0.412 in Head Height 0.169 in Dimensional Standards ASME B18.6.3 Pack Size Small Minimum Head Height 0.156 in Minimum Head Width 0.38 in Maximum Head Height 0.169 in Maximum Head Width 0.412 in System of Measurement Inch Drive Slotted Package Quantity 100