Hex Nut, Nut Style Hex Nut - Heavy, System of Measurement Inch, Basic Material Steel, Material Grade Grade C, Fastener Finish Plain, Fastener Thread Direction Right Hand, Dia. /Thread Size 5/8 In. -11, Fastener Thread Type UNC (Coarse), Width Across Flats 1 1/16 in, Nut Height 5/8 in, Nut Standards ASTM 563, Package Quantity 25. This item has been restricted from sale in the following state (s): []