1. Introduction
This manual provides essential information for the proper installation, use, and maintenance of the UNISTRUT P1008-EG 3/8" Channel Nut with Regular Spring. Adherence to these instructions ensures optimal performance and safety. The P1008-EG is designed for secure fastening within 1-5/8" tall strut channels.
2. Safety Information
- Always wear appropriate personal protective equipment (PPE) such as safety glasses and gloves during installation.
- Ensure the strut channel and all components are clean and free from debris before installation.
- Do not overtighten fasteners, as this can damage the channel nut or the strut channel.
- Verify that the channel nut is correctly seated and engaged within the strut channel before applying load.
- Consult local building codes and engineering standards for specific application requirements.
3. Product Overview
The UNISTRUT P1008-EG is a 3/8" channel nut featuring a regular spring. This component is crucial for creating secure connections within UNISTRUT metal framing systems. The spring holds the nut in position during installation, facilitating easier assembly.

4. Specifications
| Attribute | Detail |
|---|---|
| Brand | UNISTRUT |
| Model Number | P1008EG |
| Material | Metal - Steel; Zinc Plated |
| Fastener Type | Lock |
| Thread Size | 3/8 Inch-16 |
| Exterior Finish | Zinc, Silver |
| Color | Silver; Finish - Electroplated Zinc |
| Item Dimensions (L x W x H) | 0.75 x 1.44 x 1.34 inches |
| Item Weight | 1.6 ounces |
| Thread Type | Unified National Coarse |
| Inside Thread Size | #3/8 |
| Thread Style | Right Hand |
| Thread Coverage | Fully Threaded |
| Thread Class | Class 2A |
| Compatible Strut Channels | P1000, P1100, P2000, P3000, and all 1-5/8" Tall Strut Channels |
| Certification | ASTM B633 |
5. Installation
The P1008-EG channel nut is designed for quick and secure installation within compatible UNISTRUT channels.
- Select Channel: Ensure you are using a compatible 1-5/8" tall strut channel (e.g., P1000, P1100, P2000, P3000 series).
- Insert Nut: Orient the channel nut so the spring faces the open side of the strut channel. Insert the nut into the channel slot. The spring will compress as the nut enters the channel.
- Position Nut: Slide the channel nut along the channel to the desired position. The spring will help hold the nut in place, preventing it from rotating or falling out during assembly.
- Attach Component: Align the component to be fastened with the threaded hole of the channel nut.
- Secure Fastener: Insert a 3/8"-16 threaded bolt or rod through the component and into the channel nut. Tighten the bolt securely using appropriate tools. Ensure the nut is fully engaged and the connection is firm.
6. Operating and Usage
Once installed, the P1008-EG channel nut provides a strong and adjustable connection point within the UNISTRUT framing system. It is used to attach various components such as brackets, pipe clamps, and other accessories to the strut channel. The regular spring ensures that the nut remains in position, simplifying adjustments and modifications to the assembly.
7. Maintenance
Regular inspection of installed channel nuts is recommended to ensure continued structural integrity and safety.
- Visual Inspection: Periodically check for any signs of corrosion, deformation, or damage to the channel nut, spring, or surrounding strut channel.
- Tightness Check: Verify that all bolts connected to the channel nuts remain securely tightened. Retighten if any looseness is detected.
- Cleanliness: Keep the strut channel and nuts free from excessive dirt, dust, or corrosive substances that could impair performance or lead to degradation.
8. Troubleshooting
- Nut does not slide smoothly: Ensure the channel is clean and free of obstructions. Check for any deformation of the channel or the nut itself.
- Spring pops out of channel: This can occur with strut channels that have elliptical mounting holes, rather than smooth channels. Ensure the nut is fully seated and the bolt is tightened to secure it. If using channels with elliptical holes, consider alternative fastening methods or ensure the spring is properly contained during tightening.
- Connection feels loose: Re-tighten the bolt. If the problem persists, inspect the threads of both the bolt and the channel nut for damage. Replace damaged components as necessary.
9. Warranty
This product is covered by a standard manufacturer's warranty. For detailed information regarding warranty terms, conditions, and claims, please refer to the official UNISTRUT warranty documentation or contact UNISTRUT customer support.
10. Support
For technical assistance, product inquiries, or further support, please visit the official UNISTRUT website or contact their customer service department. Contact information can typically be found on the UNISTRUT website or product packaging.
UNISTRUT Website: www.unistrut.com