Hex Head Cap Screw, System of Measurement Inch, Basic Material Steel, Material Grade Grade 8, Fastener Finish Plain, Dia. /Thread Size 3/4 In. -16, Fastener Length 5 1/2 in, Fastener Thread Direction Right Hand, Fastener Thread Type UNF (Fine), Fastener Thread Style Partially Threaded, Fastener Industry Standards ASME B 18.2. 1, Head Type Hex, Min. Thread Length 1 3/4 in, Head Height 15/32 in, Head Width 1 1/8 in, Package Quantity 25