Grade A325, 1/2"-13 Structural Bolt, Hot Dipped Galvanized Steel, 4 in L, 550 PK, EnjoyTool Select, Mfr#: HCI30500400GUSA-550BX

Inch, Structural Bolt, Steel, Material Grade A325 Type 1, Fastener Finish Galvanized, Dia./Thread Size 1/2 In.-13, Fastener Length 4 in, Fastener Thread Type UNC (Coarse), Fastener Industry Standards ASTM A325 Type 1, Thread Length 1 in, Fastener Thread Direction Right Hand, Head Dia. 7/8 in, Head Height 5/16 in, Tensile Strength (PSI) 120,000 psi, Rockwell Hardness HRC25, Package Quantity 550