' Tamper Resistant Screw, Head Type Flat, 18-8 Stainless Steel, Length 1-1/2", Drive Type Spanner, Finish Plain, Thread Size 6-32, Driver Size #6, Head Dia. 0.244-0.279", Head Height 0.083", Head Angle (Deg.) 82, Meets/Exceeds ANSI/ASME B18.6.3, Package Quantity 50 '