Unistrut Conduit Clamp — 4 in., Perma-Gold Finish
The Unistrut P1121AS ZD is a heavy-duty pre-assembled rigid strut strap for supporting 4 in. rigid or IMC conduit. Constructed from 11-gauge steel with a Perma-Gold (zinc dichromate) finish, it provides a 1000 lb. load rating, making it suitable for large conduit runs in industrial and commercial applications.
Key Specifications
- Product Type: Conduit Clamp (Rigid Strut Strap)
- Rod Size: 4 in.
- Conduit Diameter: 4.5 in.
- Gauge: 11
- Material: Steel
- Finish: Perma-Gold (Zinc Dichromate)
- Load Rating: 1000 lb.
- Pre-Assembled: Yes
- Compatible Conduit: Rigid / IMC
- Model: P1121AS ZD
- Manufacturer: Unistrut (Atkore)
Features
- Pre-assembled to reduce installation time on the job site
- Perma-Gold zinc dichromate finish for corrosion protection
- 1000 lb. load rating for large conduit support requirements
- Works with the full Unistrut P-series channel and fitting system
Applications
Designed for:
- Supporting 4 in. rigid metallic conduit (RMC) and IMC
- Industrial and commercial conduit support systems
- Heavy overhead conduit runs requiring high load capacity




