What are the specifications and characteristics of Hex Nut ?

1. Specifications
Generally, we have to divide the fine thread nut and the coarse-thread nut first. Their specifications are the same. Their specifications are M3, M4, M5, M6, M8, M10, and so on.

21. Material
There are generally two types, one is iron, that is, carbon steel. One is stainless steel, and of course, there are copper and aluminum nuts, but these are less used. Copper is still useful, and aluminum nuts are rarely used.

3. Grade
There are two grades of hex nut, one is 4.8 grade, ordinary nut, and the other is grade 8.