China Zinc Plated Flange Bolt Manufacturer, Supplier, Factory

Zinc Plated Flange Bolt

Zinc plated flange bolts are essential fasteners known for their durability and corrosion resistance, making them ideal for various industrial and construction applications. These bolts feature a built-in washer-like flange that distributes load evenly, reducing the risk of damage to materials. They are commonly used in automotive, machinery, and structural assemblies where vibration resistance is critical. The zinc plating provides a protective layer that shields against rust and environmental factors, extending the bolt's lifespan. For general applications, Flange Bolt options offer versatility, while Carbon Steel Flange Bolt variants provide enhanced strength for demanding environments. By choosing zinc plated versions, users benefit from improved aesthetics and long-term reliability, ensuring secure fastening in harsh conditions.


Zinc Plated Flange Bolt products are designed with precision to meet industry standards, offering excellent performance in high-stress situations. The zinc coating not only adds a shiny finish but also acts as a barrier against moisture and chemicals, preventing premature failure. This makes the Zinc Plated Flange Bolt a top choice for outdoor installations, marine equipment, and automotive parts where exposure to elements is common. Its self-locking feature, combined with the flange design, minimizes the need for additional washers, saving time and costs during assembly. With consistent quality control, the Zinc Plated Flange Bolt ensures reliable connections that withstand heavy loads and frequent use, making it a dependable solution for professionals seeking efficiency and durability.

Product Specifications

  • Material: High-strength carbon steel with zinc plating
  • Standards: Complies with ISO 898-1, ASTM A307, and DIN 6921
  • Plating Thickness: 5-8 microns for optimal corrosion protection
  • Flange Diameter: Available in sizes from 10mm to 24mm
  • Thread Type: Fine or coarse threads based on application needs
  • Temperature Range: Suitable for -40°C to 120°C environments
  • Finish: Bright zinc coating for aesthetic appeal and rust resistance

Detailed Size and Performance Data

Size (Diameter x Length) Thread Pitch Torque Value (Nm) Flange Outer Diameter (mm) Typical Applications
M10 x 40mm 1.5mm 45-55 22mm Automotive brackets, light machinery
M12 x 50mm 1.75mm 70-85 26mm Structural frames, HVAC systems
M16 x 60mm 2.0mm 150-180 32mm Heavy equipment, construction joints
M20 x 80mm 2.5mm 280-330 38mm Industrial machinery, marine hardware

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