Our factory produces high-quality Hex nuts with various strength levels of 4.8, 6.8, 8.8, 10.9, and 12.9. These nuts come in standard sizes with a zinc plain finish and are designed to provide a secure and reliable connection. Our Connecting Hex Long Coupling Nuts are manufactured according to the UNF, UNC, ANSI, and DIN6334 standards, ensuring their compatibility with a wide range of applications. We offer wholesale prices for our quality products, making them an excellent choice for businesses and individuals looking for value for their money. With our high-quality manufacturing process, you can trust that our Hex nuts will meet your needs and exceed your expectations.