Grade 5, 1/2-13 Hex Head Cap Screw, Black Oxide Steel, 4-1/2 in L, 5 PK
Thread Length 1 1/4 in, Head Height 5/16 in, Head Width 3/4 in, Package Quantity 5 Hex Head Cap Screw, System of Measurement Inch, Basic Material Steel, Material Grade Grade 5, Fastener Finish Plain, Dia.-13, Fastener Length 4 1/2 in, Fastener Thread Direction Right Hand, Fastener Thread Type UNC (Coarse), Fastener Thread Style Partially Threaded, Fastener Industry Standards ASME B18.