Tamper Resistant Screw Head Type Button Material 18-8 Stainless Steel Finish Plain Drive Torx Thread Size #8-32 Fastener Length 1 in Head Width 0.305 in Head Height 0.087 in Drive Size T15 Dimensional Standards ASME B18.6.3 Pack Size Small Type Tamper Resistant Screw Maximum Head Height 0.087 in Minimum Head Height 0.077 in System of Measurement Inch Thread Type Coarse Package Quantity 25