U-Drive Screw Finish Plain Material 18-8 Stainless Steel Fastener Length 1/4 in Head Width 0.266 in Head Height 0.109 in Head Type Round Maximum Head Height 0.109 in System of Measurement Inch Dimensional Standards ASME B18.6.3 ASME B18.6.4 Drive Type U Head Material Stainless Steel Package Quantity 500