Hex Head Cap Screw System of Measurement Inch Basic Material Stainless Steel Material Grade 18-8 Fastener Finish NL-19(SM) Dia./Thread Size 1/2 In.-13 Fastener Length 2 in Fastener Thread Direction Right Hand Fastener Thread Type UNC (Coarse) Fastener Thread Style Fully Threaded Fastener Industry Standards ASME B18.2.1 Head Type Hex Min Thread Length 2 in Head Height 5/16 in Head Width 3/4 in Package Quantity 10