Product Description
Simpson CNW3/4-5/8 CNW 3/4 in. to 5/8 in. Coupler Nut with Witness Hole by Simpson Strong-Tie 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 coupler nut features a positive stop to help ensure even threading into each end of the nut and a Witness hole as a means to verify when rods are properly installed.
Key Features
- Tighten the two rods until each all-thread rod is visible in the Witness hole
- For non-hot-dip galvanized all-thread rod only
- Rod diameter: 3/4 in. to 5/8 in.
- Height (min.): 1-7/8 in.
- Positive stop feature helps ensure proper thread engagement into each end of the nut
- Witness hole provides a reliable visual means to verify rods are properly installed
- Designed to exceed the specified minimum tensile capacity of the corresponding bolts and threaded rod
Specifications
- Model Number: CNW3/4-5/8
- Brand: Simpson Strong-Tie
- Bolt/Rod Diameter: 3/4 in. to 5/8 in.
- Height (min.): 1-7/8 in.
- Finish: Zinc Plated or Uncoated
- Coating: Zinc Plated or Uncoated
- Country of Origin: ZZ
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
- How do I know when the rods are properly installed in the CNW3/4-5/8 coupler nut?
- The CNW coupler nut features a Witness hole that allows you to visually confirm proper installation. Tighten the two rods until each all-thread rod is visible in the Witness hole, which confirms that each rod has been threaded sufficiently and evenly into the nut.
- Can this coupler nut be used with hot-dip galvanized all-thread rod?
- No. The CNW3/4-5/8 is designed for non-hot-dip galvanized all-thread rod only. For use with hot-dip galvanized bolts, Simpson Strong-Tie offers OST coupler models that feature oversized threads on one end specifically for that application.
- What rod diameters does the CNW3/4-5/8 accommodate?
- This coupler nut is designed to connect a 3/4 in. diameter threaded rod on one end to a 5/8 in. diameter threaded rod or anchor bolt on the other end, with a minimum height of 1-7/8 in.
- What is the purpose of the positive stop feature on the CNW coupler nut?
- The positive stop is an internal feature within the coupler nut that helps ensure even threading into each end of the nut. It prevents one rod from threading too far through and guarantees balanced engagement on both sides for a secure, reliable connection.
Note: Product dimensions and/or screw or bolt holes may differ from picture. Please see item description for specifications.
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