TAMPER-PRUF SCREWS 21630 5/16"-18 x 1 in Hex Button Tamper Resistant Screw,
Tamper Resistant Screw, Head Type Button, Material Steel, Finish Black Oxide, Drive External Hex, Thread Size 5/16 In.-18, Fastener Length 1 in, Head Height 0.152 to 0.166 in, Dimensional Standards ASME B18.3, Minimum Thread Length Not Applicable,...
