Tapping Sheet Metal Screw Head Type Pan Finish Zinc Plated Material Steel Screw Size 1/4 in Fastener Length 5/8 in Head Width 0.477 in Head Height 0.175 in Drive Size #3 Dimensional Standards ASME B18.6.3 For Maximum Material Thickness 13/64 in Pack Size Small Minimum Head Height 0.162 in Minimum Head Width 0.442 in Maximum Head Height 0.175 in Maximum Head Width 0.477 in System of Measurement Inch Drive Phillips Point Type AB Package Quantity 100