The Simpson Strong-Tie ATR 3/4 in. x 12 in. Hot-Dip Galvanized All-Thread Rod (Model ATR3/4X12HDG) is a fully threaded steel tension transfer element engineered for use with Simpson Strong-Tie adhesives. Designed to deliver versatility across structural applications - including floor-to-floor holdowns and a wide range of anchoring solutions - this rod is fully threaded along its entire length and finished with a hot-dip galvanized coating for superior corrosion resistance in demanding environments.

Key Features

• Cut to length for convenience
• Fully threaded along the entire length of the rod
• Diameter: 3/4 in.
• Length: 12 in.
• Hot-dip galvanization (HDG) offers extra corrosion resistance for exterior and treated-wood applications
• UNC Class 2A or 1A thread specifications

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.