Wood Screw Material 18-8 Stainless Steel Drive Phillips Screw Size #4 Fastener Length 1/2 in Head Width 0.225 in Head Height 0.067 in Drive Size #1 Threads per Inch 22 Thread Style Partially Threaded Minimum Thread Length 19/64 in Pack Size Small Maximum Head Width 0.225 in Minimum Head Width 0.195 in Maximum Head Height 0.067 in Minimum Head Height 0.055 in System of Measurement Inch Head Type Flat Dimensional Standards ASME B18.6.1 Package Quantity 100