Hex Head Cap Screw System of Measurement Inch Basic Material Steel Material Grade Grade 5 Fastener Finish Black Oxide Dia./Thread Size 7/16 In.-20 Fastener Length 7/8 in Fastener Thread Direction Right Hand Fastener Thread Type UNF (Fine) Fastener Thread Style Fully Threaded Fastener Industry Standards ASME B18.2.1 Head Type Hex Min Thread Length 7/8 in Head Height 9/32 in Head Width 5/8 in Package Quantity 25