Hex Nut Hex Type Standard Hex Finish Zinc Plated Material Grade/Class Grade 8 Material Steel Thread Size 2 In.-12 Hex Width 3 in Hex Height 1 49/64 in Dimensional Standards ASME B18.2.2 System of Measurement Inch Thread Direction Right Hand Color Yellow Pack Size Small Pack Removable Yes Rockwell Hardness C26 to C36 Thread Type Fine