Product Description
Simpson ATR 3/4 in. x 8 in. Zinc-Plated All-Thread Rod is a fully threaded steel tension transfer element engineered by Simpson for use with Simpson Strong-Tie adhesives. Built for demanding structural applications such as floor-to-floor holdowns and a broad range of anchoring solutions, this rod is threaded along its entire length, giving contractors and builders consistent engagement wherever contact is made. The zinc-plated finish provides a layer of corrosion resistance suited to general structural use, and the rod conforms to UNC Class 2A or 1A thread specifications for reliable compatibility with standard hardware.
Key Features
- Fully threaded along the entire length - maximum thread engagement at any cut point, giving installers flexibility in positioning and depth without sacrificing holding strength
- Cut to length for convenience - field-trimming is straightforward, reducing material waste and allowing the rod to fit a variety of anchoring configurations without special preparation
- Zinc-plated steel construction - the coating adds a practical layer of corrosion resistance for general structural environments, while the steel core delivers the tensile strength needed for tension transfer applications
- UNC Class 2A or 1A thread specification - a standard unified coarse thread designation ensures broad compatibility with nuts, couplers, and other structural fasteners commonly used in construction
- Designed for use with Simpson Strong-Tie adhesives - engineered to work within the Simpson Strong-Tie system, supporting consistent, predictable performance in adhesive anchor applications
Why This Product
- System-matched engineering - as a Simpson product designed specifically for use with Simpson Strong-Tie adhesives, this all-thread rod integrates reliably into adhesive anchoring assemblies, reducing guesswork when specifying components for holdowns and structural tie applications
- Versatility across anchoring applications - the fully threaded body and cut-to-length design mean a single rod can serve multiple configurations, from floor-to-floor holdowns to a wide range of other anchoring solutions, minimizing the need for multiple SKUs on the job site
- Domestically produced steel rod - made in the United States, this rod meets the expectations of projects requiring domestic sourcing without requiring special substitutions
- Zinc-plated finish for hardware compatibility - the zinc-plated coating not only guards against general corrosion but also makes it straightforward to match finish-compatible nuts and fasteners, supporting a properly coordinated fastener assembly
Specifications
- Model Number: ATR3/4X8ZP
- Brand: Simpson Strong-Tie
- Diameter: 3/4 in.
- Length: 8 in.
- Material: Steel
- Coating: Zinc Plated
- Finish: Zinc Plated
- Thread Type: UNC Class 2A or 1A
- Country of Origin: United States
Note: Product dimensions and/or thread length may differ from picture. Please see the item description above for specifications.
Frequently Asked Questions
What is the primary purpose of the Simpson ATR3/4X8ZP all-thread rod?
The Simpson Strong-Tie ATR3/4X8ZP is designed as a tension transfer element for use with Simpson Strong-Tie adhesives. It is suited for structural applications including floor-to-floor holdowns and a wide range of other anchoring solutions.
Is this rod threaded along its full length?
Yes. The ATR3/4X8ZP is fully threaded along the entire length of the rod, providing maximum flexibility and engagement for anchoring and fastening applications.
What finish is applied to this all-thread rod, and why does it matter?
This rod features a zinc-plated finish, which provides a layer of corrosion resistance for general structural use. The finish is an important consideration when selecting matching hardware - nuts and other fasteners should use a matching material and finish to ensure proper fit and compatibility.
What thread specification does the ATR3/4X8ZP conform to?
This rod conforms to UNC Class 2A or 1A thread specifications, which are standard unified coarse thread designations commonly used in structural and construction applications.
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