Wood Screw Finish Zinc Yellow Material Steel Drive Phillips Screw Size #4 Fastener Length 5/8 in Head Width 0.225 in Head Height 0.067 in Drive Size #1 Pack Size Small Maximum Head Width 0.225 in Minimum Head Width 0.195 in System of Measurement Inch Head Type Flat Dimensional Standards ASME B18.6.1 Package Quantity 100