Product Description
The Simpson ATR All-Thread Rod 1-1/8 in. x 18 in. from Simpson is a fully threaded rod engineered specifically for tension transfer in structural assemblies. Threaded along its entire length, this rod ensures consistent thread engagement at any point along its body, making it well suited for anchoring, fastening, and load-transfer applications where reliable connection performance is essential. Its uncoated black steel construction and precise UNC thread specification make it a dependable choice for contractors and builders working on demanding structural projects.
Key Features
- Fully threaded along the entire length - allows connection points to be positioned anywhere along the rod, giving installers greater flexibility during assembly
- Cut to a ready-to-use 18 in. length - eliminates the need for on-site cutting in common applications, saving time and reducing material waste
- 1 1/8 in. diameter - provides substantial cross-sectional strength suited to heavy-duty tension transfer and structural fastening tasks
- Uncoated black steel construction - delivers the raw material performance needed for structural use in applications where a coating is not required
- UNC Class 2A or 1A thread specification - conforms to a recognized industry thread standard, ensuring compatible fit with matching nuts and hardware built to the same specification
Why This Product
- Purpose-built for tension transfer - unlike general-purpose threaded rod, this rod is specifically designed for tension transfer applications, making it a targeted solution for structural assemblies rather than a generic substitute
- Full-length threading maximizes versatility - because the rod is threaded from end to end, connection hardware can be placed at any position along its length, reducing the need for custom cutting or precise pre-planning of fastener locations
- Sized for substantial structural loads - at 1 1/8 in. in diameter, this rod is suited for applications demanding a larger, heavier fastening element where smaller-diameter rods would not meet the requirement
- Made in the United States by a trusted structural hardware brand - produced domestically and backed by Simpson's reputation in structural connectors and fastening systems, this rod fits naturally into code-sensitive building and construction workflows
Specifications
- Model Number: ATR1-1/8X18
- Brand: Simpson Strong-Tie
- Diameter: 1-1/8 in.
- Length: 18 in.
- Material: Uncoated Steel
- Finish: Uncoated Steel
- 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 ATR All-Thread Rod?
The Simpson Strong-Tie ATR is a fully-threaded rod designed for tension transfer. It is ideal for a variety of structural applications where a continuously threaded fastening element is required.
What are the dimensions of the ATR1-1/8X18?
This rod has a diameter of 1-1/8 in. and a length of 18 in. It is cut to length for convenience and is fully threaded along its entire length.
What material and finish does the ATR1-1/8X18 feature?
The ATR1-1/8X18 is made from uncoated black steel with no additional coating or finish applied.
What thread specification does the ATR1-1/8X18 follow?
This all-thread rod conforms to UNC Class 2A or 1A thread specifications. When pairing a nut with this threaded rod, the material and finish of the nut must match the rod to ensure proper fit.
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