Tamper Resistant Screw Head Type Button Material 18-8 Stainless Steel Finish Plain Drive Torx Thread Size #6-32 Fastener Length 1/2 in Head Width 0.262 in Head Height 0.073 in Drive Size T10 Dimensional Standards ASME B18.6.3 Pack Size Small Type Tamper Resistant Screw Maximum Head Width 0.262 in Minimum Head Width 0.25 in Maximum Head Height 0.073 in Minimum Head Height 0.063 in System of Measurement Inch Thread Type Coarse Package Quantity 25