Hex Nut Hex Type Standard Hex Finish Zinc Plated Material Grade/Class Grade 8 Material Steel Thread Size 1 3/4 In.-5 Hex Width 2 5/8 in Hex Height 1 1/2 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 Coarse