Simpson Strong-Tie CNW7/8-R Description

The CNW7/8-R Coupler Nut by Simpson Strong-Tie features a witness hole for ensuring proper installation and a positive stop for secure thread engagement.

Simpson Strong-Tie CNW7/8-R Includes

• (1) Coupler Nut

Simpson Strong-Tie CNW7/8-R Features

• Witness hole for proper installation verification
• Positive stop for secure thread engagement
• Available in zinc plated or uncoated finish

Simpson Strong-Tie CNW7/8-R Applications

• Multi-story high-wind construction

Simpson Strong-Tie CNW7/8-R Installation Overview

1. Tighten the two rods until each all-thread rod is visible in the witness hole.
2. For transition couplers, thread the coupler onto the larger rod first, then thread the smaller rod into the coupler.
3. Use standard CNW or HSCNW models with non-hot-dip galvanized all-thread rods only.

Simpson Strong-Tie CNW7/8-R Specifications