Inch, Step Bolt, Steel, Material Grade A307B, Fastener Finish Plain, Dia. /Thread Size 3/8 In. -16, Fastener Length 3 in, Fastener Thread Direction Right Hand, Fastener Thread Type UNC (Coarse), Fastener Industry Standards ASME B 18.5, Head Dia. 1.219 in to 1.219 in, Head Height 13/64 in, Square Height 0.188 in to 0.219 in, Square Width 0.368 in to 0.388 in, Tensile Strength 60, 000 psi, Package Quantity 25. This item has been restricted from sale in the following state (s): []