# Simpson Strong-Tie CNW 5/8 in. Coupler Nut with Witness Hole

**Brand:** [Simpson Strong-Tie](https://shop.coreranger.com/brands/Simpson%20Strong-Tie)
**SKU:** CNW5/8-R
**Price:** $5.57 · in stock
**URL:** https://shop.coreranger.com/product/simpson-strong-tie-cnw-5-8-in-coupler-nut-with-witness-hole-100278959

## Specifications

| Spec | Value |
|---|---|
| Grade | Not Graded |
| Model # | CNW5/8-R |
| Internet # | 100278959 |
| Returnable | 90-Day |
| Store SKU # | 329566 |
| Thread Style | Coarse Thread |
| Fastener Type | Coupling Nut |
| Finish Family | Metallic |
| Fits Bolt Size | 1 inch |
| Fastener Plating | Uncoated |
| Outside Diameter | 1 in |
| Package Quantity | 1 |
| Fastener Material | Steel |
| Thread Pitch (mm) | 2.5 mm |
| Measurement System | Inches |
| Product Weight (lb.) | 0.159 lb |
| Fastener Callout Size | 5/8 in. |
| Manufacturer Warranty | Limited Warranty |
| Threads Per Inch (TPI) | 11 TPI |

## Description

Simpson Strong-Tie coupler nuts are a tested and load-rated method to join threaded rod and anchor bolts. The Witness Hole in each nut provides a means to verify when rods are properly installed. The positive stop feature helps ensure even threading into each end of the nut. The CNW exceeds the specified minimum tensile capacity of corresponding ASTM A36 bolts and threaded rod.

• High-strength coupler nut for connecting threaded rods
• Features witness hole to ensure proper rod installation
• Made from durable steel for reliable structural connections