Grade 8, 9/16-12 Hex Head Cap Screw, Black Oxide Steel, 4 in L, 5 PK
-12, Fastener Length 4 in, Fastener Thread Direction Right Hand, Fastener Thread Type UNC (Coarse), Fastener Thread Style Partially Threaded, Fastener Industry Standards ASME B18.Thread Length 1 3/8 in, Head Height 23/64 in, Head Width 13/16 in, Package Quantity 5 Hex Head Cap Screw, System of Measurement Inch, Basic Material Steel, Material Grade Grade 8, Fastener Finish Plain, Dia./Thread Size 9/16 In.2.