Hex Head Cap Screw, System of Measurement Inch, Basic Material Steel, Material Grade Grade 2, Fastener Finish Zinc Plated, Dia. /Thread Size 3/8 In. -16, Fastener Length 5 in, Fastener Thread Direction Right Hand, Fastener Thread Type UNC (Coarse), Fastener Thread Style Partially Threaded, Fastener Industry Standards ASME B 18.2. 1, Head Type Hex, Min. Thread Length 1 in, Head Height 15/64 in, Head Width 9/16 in, Package Quantity 50