Product Description
The Simpson Strong-Tie HSCNW3/4 High-Strength Coupler Nut with Witness Hole is engineered to connect threaded rods to one another and to anchor bolts. Designed to exceed the specified minimum tensile capacity of the corresponding bolts and threaded rod, this high-strength coupler nut provides reliable, verifiable connections in structural applications. A built-in Witness hole allows installers to visually confirm that rods are properly seated, while a positive stop ensures consistent thread engagement into each end of the nut.
Key Features
- Tighten the two rods until each all-thread rod is visible in the Witness hole
- Positive stop feature that helps ensure proper thread engagement into each end of the nut
- For non-hot-dip galvanized all-thread rod only
- Rod diameter: 3/4 in.
- Height (min.): 2 in.
Specifications
- MPN: HSCNW3/4
- Brand: Simpson Strong-Tie
- Rod Diameter: 3/4 in.
- Height (min.): 2 in.
- Coating: Zinc Plated or Uncoated
- Finish: Zinc Plated or Uncoated
- Country of Origin: United States
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
- What is the purpose of the Witness hole in the HSCNW3/4 coupler nut?
- The Witness hole serves as a visual verification tool. Installers tighten the two rods until each all-thread rod is visible in the Witness hole, confirming that both rods are properly and fully engaged within the coupler nut.
- What does the positive stop feature do?
- The positive stop feature helps ensure even, consistent thread engagement into each end of the nut. This prevents one rod from threading too far through the coupler at the expense of the other, promoting a balanced and secure connection.
- Can the HSCNW3/4 be used with hot-dip galvanized all-thread rod?
- No. The HSCNW3/4 is designed for use with non-hot-dip galvanized all-thread rod only. For installation on hot-dip galvanized bolts, see the OST models, which feature oversized threads on one end to accommodate the thicker galvanized coating.
- How does the tensile capacity of the HSCNW3/4 compare to the rods it connects?
- The HSCNW3/4 is engineered to exceed the specified minimum tensile capacity of the corresponding bolts and threaded rod, ensuring the coupler nut is not the weak link in the connected assembly.
Note: Product dimensions and/or screw or bolt holes may differ from picture. Please see item description for specifications.
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