'Hex Head Cap Screw, System of Measurement Inch, Head Type Hex, Dia./Thread Size 7/16 In.-20, Thread Type UNF (Fine), Fastener Length 2-1/4 In., Min. Thread Length 1-1/8 In., Basic Material Steel, Screw Grade/Class Grade 8, Fastener Finish Zinc Yellow, Thread Style Partially Threaded, Thread Direction Right Hand, Head Height 9/32 In., Head Width 5/8 In., Proof Load 120, 000 psi, Screw Industry Standards ASME B18.2.1, Package Quantity 10'