51Fasteners operates fully automated bolt production lines, including cold heading, heat treatment, thread rolling, surface coating, and inspection, enabling high-efficiency and precision mass production.

Materials & Finishes

Materials	Finishes
Carbon Steel Stainless Steel Aluminum Titanium Alloy Steel Brass Nickel Alloys	Eco-friendly Dacromet Anodizing Hot-dip galvanizing Yellow zinc Black zinc Blue-white zinc Colored zinc Teflon Nickel plating Chrome plating Phosphating

Manufacturing Process