The Simpson ATR 3/4 in. x 12 in. Hot-Dip Galvanized All-Thread Rod is a fully threaded steel tension transfer element engineered for use with Simpson adhesives in structural anchoring applications. Fully threaded along its entire length, this all-thread rod delivers the versatility contractors and builders need across a wide range of assemblies - from floor-to-floor holdown systems to general structural anchoring solutions. The hot-dip galvanized finish provides robust corrosion resistance, making it a dependable choice where exterior conditions or treated-wood contact demand more than a standard coating can offer.

Key Features

• Fully threaded along the entire length - allows hardware to be positioned anywhere on the rod and gives you maximum flexibility when cutting to the exact length your application requires
• Hot-dip galvanized finish - delivers enhanced corrosion resistance beyond standard zinc plating, keeping the rod protected in exterior environments and wherever treated wood contact is a concern
• 3/4 in. diameter, 12 in. length - a practical size suited for floor-to-floor holdown systems and a broad range of structural anchoring assemblies
• UNC Class 2A or 1A thread specifications - ensures reliable compatibility with standard structural hardware used in anchoring and holdown installations
• Cut to length for convenience - reduces job-site waste and saves time by letting you tailor the rod to your specific installation without special tooling or custom orders

Why This Product

• Built for demanding environments - hot-dip galvanization provides a higher level of corrosion protection than standard coatings, making this threaded rod a sound choice for exterior structural work and treated-wood applications where long-term durability matters
• Engineered for versatility - because the rod is fully threaded from end to end, it works across a wide variety of anchoring configurations, including floor-to-floor holdowns and adhesive anchor systems, without being limited by thread placement
• Trusted structural compatibility - designed specifically for use with Simpson adhesives as a tension transfer element, so it integrates cleanly into established Simpson structural systems already common on construction sites
• Domestic steel construction - manufactured from steel, this all-thread rod is built to the dimensional and thread standards contractors rely on for consistent, predictable performance in load-bearing applications

Specifications

• Model Number (MPN): ATR3/4X12HDG
• Brand: Simpson Strong-Tie
• Material: Steel
• Coating: Hot-Dip Galvanized
• Finish: Hot-Dip Galvanized
• Diameter: 3/4 in.
• Length: 12 in.
• Thread Type: UNC Class 2A or 1A
• Country of Origin: United States

Approved Applications

• Floor-to-floor holdown systems
• Use with Simpson Strong-Tie adhesives as a tension transfer element
• Exterior structural applications requiring enhanced corrosion resistance
• Treated-wood applications where corrosion protection is critical
• General anchoring solutions across a wide range of structural assemblies

Frequently Asked Questions

What is the purpose of the hot-dip galvanized finish on this all-thread rod?

The hot-dip galvanization (HDG) finish provides extra corrosion resistance, making the ATR3/4X12HDG especially well-suited for exterior applications and environments where the rod will be in contact with treated wood, where standard coatings may be insufficient.

What thread specification does the ATR3/4X12HDG use?

This all-thread rod conforms to UNC Class 2A or 1A thread specifications, ensuring compatibility with standard hardware used in structural anchoring and holdown applications.

Is this rod fully threaded, or only threaded at the ends?

The ATR3/4X12HDG is fully threaded along its entire length, which provides maximum flexibility for cutting to the desired length and positioning hardware anywhere along the rod.

What adhesive or system is this all-thread rod designed to work with?

This rod is designed for use as a tension transfer element in conjunction with Simpson Strong-Tie adhesives, and it is suited for structural applications including floor-to-floor holdowns and a wide range of other anchoring solutions.

Note: Product dimensions and/or thread length may differ from picture. Please refer to the specifications listed above for exact dimensions.