Wood Screw Material 18-8 Stainless Steel Drive Slotted Screw Size #4 Fastener Length 1/2 in Head Width 0.225 in Head Height 0.094 in Pack Size Small Maximum Head Width 0.225 in Minimum Head Width 0.195 in System of Measurement Inch Head Type Oval Dimensional Standards ASME B18.6.1 Package Quantity 100