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