Cap Nut, Nut Style Extra Low Crown Cap Nut, System of Measurement Inch, Basic Material Brass, Fastener Finish Plain, Fastener Thread Direction Right Hand, Fastener Thread Type UNF (Fine), Dia./Thread Size 5/16 In.-24, Fastener Thread Depth 9/32 in, Width Across Flats 9/16 in, Nut Height 7/16 in, Nut Standards ASTM B16, Package Quantity 10