Hot Dip Galvanized Bolt

Hot Dip Galvanized (HDG) Bolts are fasteners that are coated with a thick layer of zinc through the hot dip galvanizing process. In this process, the bolts are immersed in molten zinc, which forms a protective coating on the surface. This coating provides excellent resistance against corrosion, rust, and environmental damage, making HDG bolts ideal for outdoor and harsh conditions.

Key Features of Hot Dip Galvanized Bolts

• Excellent Corrosion Resistance: Zinc coating protects against rust and moisture.
• Long Service Life: Suitable for long-term outdoor and industrial use.
• Strong Adhesion: The galvanizing process ensures firm bonding of the zinc layer.
• High Durability: Performs well in extreme weather and harsh environments.
• Low Maintenance: Requires minimal upkeep due to protective coating.
• Uniform Coating: Provides consistent protection across the entire surface.

Specifications of Hot Dip Galvanized Bolts

• Material: Carbon Steel / High Tensile Steel
• Coating: Hot Dip Galvanized (as per IS 4759 or ASTM standards)
• Diameter Range: M6 to M64 (custom sizes available)
• Length Range: 20 mm to 500 mm (as required)
• Thread Type: Metric / UNC / UNF
• Head Type: Hex Head, Square Head, or as required
• Coating Thickness: Typically 40–85 microns (as per standards)
• Standards: DIN, ASTM, ISO, IS specifications

Applications of Hot Dip Galvanized Bolts

• Construction Industry: Used in structural steel and outdoor frameworks.
• Infrastructure Projects: Bridges, highways, and transmission towers.
• Power Sector: Electrical towers and substations.
• Marine & Coastal Areas: Ideal for corrosive environments.
• Industrial Applications: Used in plants exposed to moisture and chemicals.
• Outdoor Installations: Fencing, lighting poles, and sign structures.