Simpson ATR 1-1/8 in. x 18 in. Zinc-Plated All-Thread Rod (ATR1-1/8X18ZP) by Simpson Strong-Tie is a fully threaded tension transfer element engineered for structural applications including floor-to-floor holdowns and a wide range of anchoring solutions. The zinc-plated steel construction provides corrosion resistance while the fully threaded design along the entire rod length delivers maximum versatility when used with Simpson Strong-Tie adhesives.

Key Features

• Cut to length for convenience
• Fully threaded along the entire length of the rod
• Diameter: 1-1/8 in.
• Length: 18 in.
• Zinc-plated steel construction
• UNC Class 2A or 1A thread specifications

Specifications

• MPN: ATR1-1/8X18ZP
• Brand: Simpson Strong-Tie
• Material: Steel
• Coating: Zinc Plated
• Finish: Zinc Plated
• Diameter: 1-1/8 in.
• Length: 18 in.
• Thread Type: UNC Class 2A or 1A
• Country of Origin: United States

Approved Applications

• Floor-to-floor holdowns in structural assemblies
• Use with Simpson Strong-Tie adhesives as a tension transfer element
• Structural anchoring solutions requiring fully threaded rod

Frequently Asked Questions

What is the diameter and length of this all-thread rod?

This Simpson Strong-Tie ATR all-thread rod has a diameter of 1-1/8 in. and a length of 18 in.

What thread specification does this rod conform to?

This rod meets UNC Class 2A or 1A thread specifications, ensuring compatibility with standard UNC-threaded nuts and hardware that match the same material and finish.

What finish is applied to this all-thread rod?

This rod features a zinc-plated finish over steel construction, providing a layer of corrosion resistance suitable for the intended structural applications. The coated ATR rods are also available with a hot-dipped galvanized finish for environments requiring greater protection.

What is this all-thread rod designed to be used with?

The Simpson Strong-Tie ATR is designed as a tension transfer element for use with Simpson Strong-Tie adhesives, and is well suited for structural applications such as floor-to-floor holdowns and a wide range of other anchoring solutions.

Note: Product dimensions and/or thread length may differ from picture. Please see the item description above for specifications.