Wood Screw Finish Zinc Yellow Material Steel Drive Square Screw Size #10 Fastener Length 2 1/2 in Head Width 0.385 in Head Height 0.137 in Drive Size #2 Threads per Inch 13 Thread Style Partially Threaded Minimum Thread Length 3 11/64 in Pack Size Small Maximum Head Width 0.385 in Minimum Head Width 0.34 in Maximum Head Height 0.137 in Minimum Head Height 0.123 in System of Measurement Inch Head Type Flat Point Type Not Applicable Dimensional Standards ASME B18.6.1