Tapping Sheet Metal Screw Head Type Hex Washer Finish Zinc Plated Material Steel Screw Size #6 Fastener Length 1/4 in Head Width 0.262 in Head Height 0.093 in Dimensional Standards ASME B18.6.3 For Maximum Material Thickness 5/64 in Pack Size Small Minimum Head Height 0.08 in Minimum Head Width 0.238 in Maximum Head Height 0.093 in Maximum Head Width 0.262 in System of Measurement Inch Drive Slotted Point Type AB For Use in Systems Thread Forming Tapping Screw Type AB