Grade 2, 5/16-18 Hex Head Cap Screw, Black Oxide Steel, 2-1/2 in L, 50 PK
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 2, Fastener Finish Plain, Dia..2.-18, Fastener Length 2 1/2 in, Fastener Thread Direction Right Hand, Fastener Thread Type UNC (Coarse), Fastener Thread Style Partially Threaded, Fastener Industry Standards ASME B18.