Grade 8, 5/16-24 Hex Head Cap Screw, Black Oxide Steel, 3-1/4 in L, 50 PK
-24, Fastener Length 3 1/4 in, Fastener Thread Direction Right Hand, Fastener Thread Type UNF (Fine), Fastener Thread Style Partially Threaded, Fastener Industry Standards ASME B18.Thread Length 7/8 in, Head Height 13/64 in, Head Width 1/2 in, Package Quantity 50 Hex Head Cap Screw, System of Measurement Inch, Basic Material Steel, Material Grade Grade 8, Fastener Finish Plain, Dia.