Grade A325, 1-8 Structural Bolt, Plain Steel, 3 3/4 in L, 5 PK
./Thread Size 1 In.-8, Fastener Length 3 3/4 in, Fastener Thread Type UNC (Coarse), Fastener Industry Standards ASTM 563, 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, Includes Heavy Nut, Package Quantity 5 Inch, Structural Bolt, Steel, Material Grade A325 Type 1, A563-C, Fastener Finish Plain, Dia.