Tamper Screw, Head Type Flat, Material 18-8 Stainless Steel, Finish Plain, Drive Spanner, Thread Size #10-24, Fastener Length 1/2 in, Head Width 0.385 in, Head Height 0.116 in, Drive Size #10, Dimensional Standards ASME B18.6.3, Pack Size Small, Type Tamper Screw, Maximum Head Width 0.385 in, Minimum Head Width 0.34 in, System of Measurement Inch, Thread Type Coarse, Package Quantity 25