Tapping Sheet Metal Screw Head Type K-Lath Finish Zinc Plated Material Steel Screw Size #8 Fastener Length 1/2 in Head Width 0.312 in Head Height 0.08 in Drive Size #2 Dimensional Standards ASME B18.6.3 For Maximum Material Thickness 5/64 in Pack Size Small Minimum Head Height 0.07 in Minimum Head Width 0.285 in Maximum Head Height 0.08 in Maximum Head Width 0.312 in System of Measurement Inch Drive Phillips Point Type AB For Use in Systems Thread Forming Tapping Screw Type AB