Hex Head Cap Screw System of Measurement Inch Basic Material Stainless Steel Material Grade 18-8 Fastener Finish NL-19(SM) Dia./Thread Size 3/8 In.-16 Fastener Length 1 1/2 in Fastener Thread Direction Right Hand Fastener Thread Type UNC (Coarse) Fastener Thread Style Partially Threaded Fastener Industry Standards ASME B18.2.1 Head Type Hex Min Thread Length 1 in Head Height 15/64 in Head Width 9/16 in Package Quantity 10