Tapping Sheet Metal Screw Head Type Pan Finish Zinc Plated Material Steel Screw Size #4 Fastener Length 1/4 in Head Width 0.212 in Head Height 0.08 in Drive Size #1 Dimensional Standards ASME B18.6.3 Pack Size Small Minimum Head Width 0.191 in Maximum Head Width 0.212 in System of Measurement Inch Drive Phillips Package Quantity 100