Tamper Resistant Screw Head Type Button Finish Black Oxide Material Steel Screw Size #14 Fastener Length 3/4 in Head Width 0.428 in Head Height 0.133 in Drive Size T27 Dimensional Standards ASME B18.6.4 Pack Size Small Minimum Head Height 0.122 in Maximum Head Height 0.133 in System of Measurement Inch Drive Torx Package Quantity 25