Hex Nut Heavy Black Nish 5/8”

5/8" hex nut black finish is forged with high-strength materials, multiple processes and high-temperature treatments to improve the strength of the screw. After high-temperature heat treatment, the hardness of the product is improved, and the surface blackening treatment makes the product more anti-corrosive. Deep thread and pitch Uniform, compact pattern, uniform force, and firmer. The tail end is sharp, the work is more labor-saving, and the work efficiency is effectively improved.