Tapping Sheet Metal Screw Head Type Flat Finish Zinc Plated Material Steel Screw Size #12 Fastener Length 5/8 in Head Width 0.412 in Head Height 0.132 in Drive Size #3 Dimensional Standards ASME B18.6.3 For Maximum Material Thickness 1/8 in Pack Size Small Minimum Head Height 0.112 in Minimum Head Width 0.38 in Maximum Head Height 0.132 in Maximum Head Width 0.412 in System of Measurement Inch Drive Phillips Point Type AB For Use in Systems Thread Forming Tapping Screw Type AB