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UNISTRUT P2072ASQ-EG 1-5/8″ Square Post Base – Durable Strut Mount

$47.04 on Amazon.com (as of October 16, 2026, 11:21 AM EST) View details ↗

The **UNISTRUT P2072ASQ-EG** is a heavy-duty **1-5/8″ square mount post base** designed for secure installation of single-strut channels in industrial, commercial, and construction applications. Built with **electro-galvanized steel** (ASTM B633, Type III), this base ensures long-lasting corrosion resistance in harsh environments. The **6″ x 6″ footprint** with **3-1/2″ height** provides stability, while the **3/4″ diameter mounting holes** accommodate standard 1/2″ bolts for quick, tool-free assembly.

Compatible with **all 1-5/8″ single-strut channels**, including UNISTRUT’s **P1000, P1100, P2000, and P3000 series**, this post base is ideal for framing, shelving, signage, and equipment mounting. Its **rugged construction** and **industry-standard finish** make it a reliable choice for structural and non-structural applications where durability and precision matter.

Compatibility1-5/8″ Single Strut Channels (P1000, P1100, P2000, P3000 Series)
Material & FinishElectro-Galvanized Steel (ASTM B633, Type III)
Dimensions6″ (W) x 6″ (L) x 3-1/2″ (H)
Mounting Hole Size3/4″ Diameter
Bolt Compatibility1/2″ Bolt (All 1-5/8″ Series Strut Channels)
Load CapacityUp to **1,200 lbs per base*** (varies by installation)
What bolt size is required for this post base?
This base uses a **1/2″ bolt** for secure mounting in all 1-5/8″ single-strut channels.
Is this post base suitable for outdoor or corrosive environments?
Yes, the **electro-galvanized finish (ASTM B633, Type III)** provides corrosion resistance for outdoor and harsh conditions.
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