'Hex Head Cap Screw, System of Measurement Inch, Head Type Hex, Dia./Thread Size 1 In.-14, Thread Type UNF (Fine), Fastener Length 6-1/2 In., Min. Thread Length 2-1/2 In., Basic Material Steel, Screw Grade/Class Grade 8, Fastener Finish Plain, Thread Style Partially Threaded, Thread Direction Right Hand, Head Height 39/64 In., Head Width 1-1/2 In., Temp. Range -58 Degrees to 302 Degrees F, Proof Load 120, 000 psi, Screw Industry Standards ASME B18.2.1'