Grade 8, 5/16"-18 Hex Head Cap Screw, Black Oxide Steel, 3-1/4 in L, 50 PK

Hex Head Cap Screw, System of Measurement Inch, Basic Material Steel, Material Grade Grade 8, Fastener Finish Plain, Dia./Thread Size 5/16 In.-18, Fastener Length 3 1/4 in, Fastener Thread Direction Right Hand, Fastener Thread Type UNC (Coarse), Fastener Thread Style Partially Threaded, Fastener Industry Standards ASME B18.2.1, Head Type Hex, Min. Thread Length 7/8 in, Head Height 13/64 in, Head Width 1/2 in, Package Quantity 50