Hex Nut, Hex Type Standard Hex, Finish Zinc Yellow, Material Grade/Class Grade 8, Material Steel, Thread Size 5/16 In.-24, Hex Width 1/2 in, Hex Height 17/64 in, Manufacturer Location Globally Sourced, Dimensional Standards ASME B18.2.2, System of Measurement Inch, Thread Direction Right Hand, Pack Size Small Pack, Rockwell Hardness C33 to C39, Thread Type UNF/UNS, Package Quantity 100