Inch, Structural Bolt, Steel, Material Grade A325 Type 1, Fastener Finish Plain, Dia. /Thread Size 1 In. -8, Fastener Length 4 1/4 in, Fastener Thread Type UNC (Coarse), Fastener Industry Standards ASTM F3125, Thread Length 1 3/4 in, Fastener Thread Direction Right Hand, Head Dia. 1 5/8 in, Head Height 39/64 in, Tensile Strength (PSI) 105, 000 psi, Rockwell Hardness HRC25, Package Quantity 5. This item has been restricted from sale in the following state (s): []