Hex Head Cap Screw System of Measurement Inch Basic Material Steel Material Grade Grade 8 Fastener Finish Plain Dia./Thread Size 1-1/8 In.-12 Fastener Length 2 1/2 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 2 1/2 in Head Height 11/16 in Head Width 1 11/16 in