Hex Nut Hex Type Heavy Hex Finish Hot Dipped Galvanized Material Grade/Class Grade 2H Material Steel Thread Size 2 In.-4 1/2 Hex Width 2 3/4 in Hex Height 2 1/32 in Material Quality Standards ASTM A194 System of Measurement Inch Thread Direction Right Hand Pack Size Small Pack Removable Yes Rockwell Hardness C24 to C38 Thread Type Coarse