Grade A490, 5/8-11 Structural Bolt, Plain Steel, 1 1/2 in L, 10 PK
-11, Fastener Length 1 1/2 in, Fastener Thread Type UNC (Coarse), Fastener Industry Standards ASTM F3125, Thread Length 1 1/4 in, Fastener Thread Direction Right Hand, Head Dia..1 1/16 in, Head Height 25/64 in, Tensile Strength (PSI) 150,000 psi, Rockwell Hardness HRC25, Package Quantity 10 Inch, Structural Bolt, Steel, Fastener Finish Plain, Dia.