Product description
Hexagon nut are light-weight, new-higher, ultra-hard, ultra-corrosion-resistant, and ultra-anti-loose. The grades can reach the standard of 8.8 grades and 10.9 grades and the weight is only 57 percent of that of the same grade steel hex nylon insert lock nuts. Metal lock nut are applied in the fields of bicycles, motorcycles, automobiles, racing cars, yachts, sports, electronics, pharmaceuticals, petroleum, metallurgy, chemical industry, desalination, ocean engineering, construction industry, etc.