Grade 8.8 & 12.9 Hex Nuts - Black, Galvanized, Nickel-Plated, Color Zinc, GB6170 Standards, Sizes M3-M48

These high-quality hex nuts are designed to meet GB6170 standards, ensuring reliability and durability in various applications. Available in diverse finishes such as black, galvanized, nickel-plated, and color zinc, they offer excellent resistance to corrosion while providing an attractive appearance. Catering to a wide range of fastening needs, they are offered in sizes from M3 to M48, making them suitable for multiple industrial and construction projects. With strength grades of 8.8 and 12.9, these hex nuts provide robust support for secure fastening in heavy-duty applications. Standard No.: National Standard Surface Treatment: Oxidation treatment, Galvanizing, Nickel plating, Chrome plating Manufacture country: China Instructions included: No