Tamper Resistant Screw Head Type Flat Material 18-8 Stainless Steel Finish Plain Drive Spanner Thread Size #8-32 Fastener Length 3/8 in Head Width 0.312 in Head Height 0.1 in Drive Size #8 Dimensional Standards ASME B18.6.3 Pack Size Small Type Tamper Resistant Screw System of Measurement Inch Thread Type Coarse Package Quantity 50