Hex Nut Hex Type Standard Hex Finish Zinc Plated Material Grade/Class Grade 5 Material Steel Thread Size 1/4 In.-28 Hex Width 7/16 in Hex Height 7/32 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 C19 to C30 Thread Type UNF/UNS Package Quantity 100