Heavy Hex Bolt, System of Measurement Inch, Basic Material Steel, Material Grade A307B, Fastener Finish Hot Dipped Galvanized, Dia. /Thread Size 5/8 In. -11, Fastener Length 3 1/2 in, Fastener Thread Direction Right Hand, Fastener Thread Type UNC (Coarse), Fastener Thread Style Partially Threaded, Fastener Industry Standards ASME B 18.2. 1, Head Type Hex, Min. Thread Length 1 1/2 in, Head Height 27/64 in, Head Width 1 1/16 in, Package Quantity 10. This item has been restricted from sale in the following state (s): []