
Hex Flange Nuts Ifi145 1/4 5/16 3/8 7/16 1/2 9/16 5/8 3/4 Flange Nuts Jam Nuts Wheel Nuts Fasteners Factory. Customization Options: Customized material, surface treatment, and property class available. Wide Size Range: Sizes available from M8 to M64 for various applications. High Grade Strength: Grade range from Class 4 to Class 12 for high strength needs. Multiple Standards: Complies with DIN, ANSI, ISO, JIS, GOST, and other global standards. Surface Treatments: Options include Galvanized, Black Oxide, Geomet, and Dacromet. ISO 9001 Certified: Certified quality with rigorous SGS testing for reliability. Large Production Capacity: Annual output of 30,000 tons with 35 hot-forging machines. Global Supplier: Serving clients in Europe, North America, and South Asia.