Sheet Metal Screw Head Type Hex Washer Finish Zinc Plated Material Steel Screw Size #8 Fastener Length 5/8 in Head Width 0.312 in Head Height 0.11 in Dimensional Standards ASME B18.6.3 For Maximum Material Thickness 1/8 in Pack Size Small Minimum Head Height 0.08 in Minimum Head Width 0.285 in Maximum Head Height 0.115 in Maximum Head Width 0.312 in System of Measurement Inch Drive Slotted Point Type SMS Package Quantity 100