Hex Head Cap Screw, System of Measurement Inch, Basic Material Steel, Material Grade Grade 5, Fastener Finish Zinc Plated, Dia./Thread Size 7/16 In.-20, Fastener Length 2 1/4 in, Fastener Thread Direction Right Hand, Fastener Thread Type UNF (Fine), Fastener Thread Style Partially Threaded, Fastener Industry Standards ASME B18.2.1, Head Type Hex, Min. Thread Length 1 1/8 in, Head Height 9/32 in, Head Width 5/8 in, Package Quantity 10