Product Description
The Simpson Strong-Tie HSCNW1 High-Strength Coupler Nut with Witness Hole is engineered to reliably connect threaded rods to one another and to anchor bolts in demanding structural applications. Designed to exceed the specified minimum tensile capacity of the corresponding bolts and threaded rod, this 1 in. diameter coupler nut delivers the high-strength performance required in critical connections. A built-in positive stop ensures even thread engagement into each end of the nut, while the distinctive Witness hole provides a simple, visual means to verify that rods are correctly and fully installed - eliminating guesswork on the job site. Made in the United States, the HSCNW1 is compatible with non-hot-dip galvanized all-thread rod.
Key Features
- Witness hole allows verification that each all-thread rod is properly installed - tighten until each rod is visible through the hole
- Positive stop feature helps ensure proper thread engagement into each end of the nut
- Designed to exceed the specified minimum tensile capacity of corresponding bolts and threaded rod
- For use with non-hot-dip galvanized all-thread rod only
- Rod diameter: 1 in.
- Minimum height: 2-1/2 in.
- Zinc plated or uncoated finish options
- Made in the United States
Specifications
- Manufacturer Part Number (MPN): HSCNW1
- Brand: Simpson Strong-Tie
- Series: HSCNW
- Rod / Bolt Diameter: 1 in.
- Height (Minimum): 2-1/2 in.
- Coating / Finish: Zinc Plated or Uncoated
- Compatible Rod Type: Non-hot-dip galvanized all-thread rod only
- Country of Origin: United States
Approved Applications
- Connecting threaded rods to one another in structural assemblies
- Connecting threaded rods to anchor bolts
- Applications requiring verified, full thread engagement via Witness hole inspection
- High-strength connections where tensile capacity must meet or exceed corresponding bolt and rod specifications
Options
- Available in standard strength and high strength depending on corresponding rod in use
- Couplers available with oversized threads on one end for installation on hot-dip galvanized bolts (See &OST models for ordering)
- OST couplers are typically oversized on one end of the coupler nut only and will be marked with an "O" on oversized side
Frequently Asked Questions
Q: How do I know when the threaded rods are properly installed in the HSCNW1 coupler nut?
A: The HSCNW1 features a Witness hole. Tighten the two rods until each all-thread rod is visible in the Witness hole. This provides a clear visual confirmation that the rods are fully and properly installed.
Q: What is the purpose of the positive stop feature on the HSCNW1?
A: The positive stop feature helps ensure proper and even thread engagement into each end of the nut, helping to guarantee a balanced, secure connection on both sides of the coupler.
Q: Can the Simpson HSCNW1 be used with hot-dip galvanized all-thread rod?
A: No. The HSCNW1 is designed for use with non-hot-dip galvanized all-thread rod only. For hot-dip galvanized rod applications, see the OST coupler nut models, which feature oversized threads on one end.
Q: What tensile capacity does the HSCNW1 provide?
A: The Simpson Strong-Tie HSCNW coupler nuts are designed to exceed the specified minimum tensile capacity of the corresponding bolts and threaded rod, ensuring the connection is not the weak point in the assembly.
Note: Product dimensions and/or screw
Frequently Asked Questions
- What is the Witness hole on the HSCNW1, and how do I use it?
- The Witness hole is a built-in opening in the coupler nut that provides a visual means to verify proper rod installation. When tightening two all-thread rods into the nut, you tighten each rod until it becomes visible through the Witness hole, confirming that both rods are fully and correctly engaged before finalizing the connection.
- Is this coupler nut compatible with hot-dip galvanized all-thread rod?
- No. The HSCNW1 is designed for use with non-hot-dip galvanized all-thread rod only. It should not be used with hot-dip galvanized all-thread rod.
- What are the key dimensions of the HSCNW1?
- The HSCNW1 is sized for a 1 in. rod diameter and has a minimum height of 2-1/2 in.
- What finish options are available, and what is the strength rating of this coupler nut?
- The HSCNW1 is available in either a zinc plated or uncoated finish. In terms of strength, the nut is designed to exceed the specified minimum tensile capacity of the corresponding bolts and threaded rod it is used with, making it suitable for demanding structural connections.
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