Hex Nut, Nut Style Hex Nut, System of Measurement Inch, Steel, Material Grade Grade 8, Fastener Finish Plain, Fastener Thread Direction Right Hand, Dia. /Thread Size 1/4 In. -28, Fastener Thread Type UNF (Fine), Width Across Flats 7/16 in, Nut Height 7/32 in, Nut Standards ASME B 18.2. 2, Package Quantity 100. This item has been restricted from sale in the following state (s): []