
Durable Hexagon Flange Bolts for Custom Heavy-Duty Applications. Customized Standards: Available in DIN, ANSI, GB, JIS, BSW, GOST, and custom standards per drawing. Customized Thread Length: Thread length is fully customizable to meet specific project requirements. Wide Material Options: Carbon steel, alloy steel, stainless steel, aluminum, copper, and more available. Multiple Surface Coatings: Options include Zinc Plated, Dacromet, Zinc-Nickel Alloy, and Hot DIP Galvanizing. High Production Capacity: Annual production capacity reaches 400 million fasteners per year. Strict Quality Control: ISO9001 certified with 100% optical screening before shipment. OEM and ODM Services: Full customization available including logo, design, and samples. Fast Sample Delivery: Standard fasteners available immediately; custom parts in 15 days after mold ready.