Tamper Resistant Screw Head Type Pan Material 18-8 Stainless Steel Finish Plain Drive Spanner Thread Size #10-24 Fastener Length 4 in Head Width 0.373 in Head Height 0.11 in Drive Size #10 Dimensional Standards ASME B18.6.3 Pack Size Small Type Tamper Resistant Screw Maximum Head Width 0.373 in Minimum Head Width 0.357 in Maximum Head Height 0.11 in Minimum Head Height 0.099 in System of Measurement Inch Thread Type Coarse Package Quantity 25