Hot Dip Galvanized Threaded Rod

  • 3 Diameters | 10 Lengths
    • Corrosion-resistant
    • Excellent for structural anchoring
    Diameters:
    3/4" 1" 1-1/4"
    Lengths:
    4' 5' 6' 8' 10' 12" 12' 18" 24" 36"
    STARTING AT
    $7.20
  • 8 Diameters | 10 Lengths
    • Corrosion-resistant
    • Used for hanging fixtures, sprinklers, lights, and more.
    STARTING AT
    $4.74
  • 4 Diameters | 11 Lengths
    • Corrosion-resistant
    • Commonly used to bolt pipe flanges together.
    Diameters:
    3/4" 1" 1-1/4" 1-1/2"
    Lengths:
    4' 5' 6' 8" 8' 10' 12" 12' 18" 24" 36"
    STARTING AT
    $8.23
  • 7 Diameters | 7 Lengths
    • UNC Class 2A or 1A thread specifications
    Diameters:
    3/8" 1/2" 5/8" 3/4" 7/8" 1" 1-1/4"
    Lengths:
    1' 1.5' 2' 3' 4' 6' 18"
    STARTING AT
    $3.95
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Hot-Dip Galvanized Threaded Rod for Outdoor & Embedded Applications

Hot-dip galvanized threaded rod is engineered for long-term performance in harsh environments where corrosion resistance is critical. These rods are fully threaded and coated in a thick layer of zinc through a hot-dip galvanizing process, making them ideal for use in outdoor construction, exposed structural connections, and concrete anchoring systems.

If your application involves moisture, treated wood, or embedded installations, this is the go-to option for strength, code compliance, and protection against rust.

Why Choose Hot-Dip Galvanized Threaded Rod?

Hot-dip galvanized (HDG) threaded rod is dipped in molten zinc, creating a bonded coating that’s thicker and more durable than standard zinc plating. That added protection is essential when working in environments like:

  • Outdoor framing and shade structures
  • Concrete embedment for anchor systems
  • Seawalls, docks, and coastal applications
  • Bridges and highway infrastructure
  • Industrial equipment mounting or support

HDG rod also works well with pressure-treated lumber, where standard carbon steel would corrode quickly.

Key Benefits

  • Corrosion Protection: Zinc coating resists rust in wet, corrosive, or chemically treated environments
  • Structural Strength: Suitable for load-bearing anchor and framing applications
  • Long-Term Durability: Ideal for permanent installations and exposed fastening
  • Fully Threaded: Provides flexibility for field-cut lengths and custom setups

Best Applications for HDG Threaded Rod

  • Concrete anchoring with epoxy or expansion anchors
  • Post and beam connections in decks or pergolas
  • Exterior framing in industrial or commercial construction
  • Utility pole and signage foundations
  • Equipment support in coastal or humid environments

Installation Notes

Always pair hot-dip galvanized threaded rod with HDG nuts and washers to prevent uneven corrosion or thread galling. Avoid mixing metal finishes in outdoor applications, especially when embedding in concrete or using with treated lumber. Cutting is possible with the proper tools, but threads may need to be cleaned or chased after trimming.

Frequently Asked Questions

  • Is hot-dip galvanized better than zinc-plated? Yes. Hot-dip galvanizing provides a much thicker, more durable zinc coating that holds up to moisture, chemicals, and outdoor exposure far better than zinc plating.
  • Can I use HDG rod with pressure-treated lumber? Absolutely. The coating is corrosion-resistant and safe to use in contact with treated wood, unlike plain or zinc-plated steel.
  • Are the rods fully threaded? Yes. All rods in this collection are fully threaded end to end unless otherwise specified.
  • Can I weld hot-dip galvanized rod? Welding HDG material requires removal of the coating at the weld site and proper ventilation. It's best avoided unless necessary and performed by qualified personnel.

For more Frequently Asked Questions, check out our blog What is Threaded Rod?

When your job demands high strength and corrosion resistance in exterior or concrete-embedded applications, hot-dip galvanized threaded rod is the trusted choice for performance that lasts.


Need Help Sizing or Specifying Galvanized Rod?

We stock a wide range of diameters and lengths to support concrete anchors, framing projects, and outdoor structural applications. If you need help matching hardware, planning embedment depth, or finding compatible couplings, reach out to our team, we’ll get you what you need, fast.

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If you have any questions about fastener options, please do not hesitate to reach out to our Product Experts at (888) 794-1590 or by email at customerservice@fastenersplus.com.