Hex Head Cap Screw, System of Measurement Inch, Basic Material Steel, Material Grade Grade 5, Fastener Finish Plain, Dia./Thread Size 3/4 In.-16, Fastener Length 6 in, Fastener Thread Direction Right Hand, Fastener Thread Type UNF (Fine), Fastener Thread Style Partially Threaded, Fastener Industry Standards ASME B18.2.1, Head Type Hex, Min. Thread Length 1 3/4 in, Head Height 15/32 in, Head Width 1 1/8 in, Package Quantity 5
Machine Key, Tapered Gib Head, End Type Tapered Gib, Material Steel, Finish Plain, Length 4-1/2 In., Square 1/2 In., Head Height 3/4 In., Thickness Tolerance +0.002 In., Length Tolerance -0.100 In., Tensile Strength (PSI) 64,000 psi, Rockwell Hardness B85, Features Tapers 1/8 In. per Ft., Holds Pulleys and Gears on Transmission Shafts