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Channel Couplers

Channel Couplers

Unistrut Channel External and Internal Couplers – Reliable Jointing Solutions for Strut Systems

Our Unistrut Channel External and Internal Couplers are precision-engineered connectors designed to join sections of Unistrut channels securely and efficiently. Available in both 41mm x 21mm and 41mm x 41mm sizes, these couplers ensure strong, seamless connections for a variety of structural and support applications.

Manufactured from high-quality steel and offered in pre-galvanised or hot-dip galvanised finishes, these couplers provide excellent durability and corrosion resistance, making them suitable for both indoor and outdoor environments.

Product Features:

  • Designed for joining Unistrut channels of 41mm x 21mm and 41mm x 41mm profiles

  • Available as external and internal coupler types to suit different installation needs

  • Made from heavy-duty steel for robust structural support

  • Pre-galvanised or hot dip galvanised finishes for corrosion resistance

  • Precision engineered for secure, flush fitting connections

  • Compatible with standard Unistrut channel systems

  • Easy to install with standard channel nuts and bolts

Typical Applications:

  • Extending strut channel lengths for longer runs

  • Repairing or replacing damaged channel sections

  • Structural framing and support systems in M&E, HVAC, and electrical installations

  • Rooftop, industrial, and commercial building services frameworks

  • Modular and adjustable support structures

Our Unistrut Channel External and Internal Couplers deliver reliable, high-strength joints essential for creating durable and adaptable channel frameworks in any project.

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External Channel Coupler 41mm x 41mm HDG
Approx Dimensions & Details: 13mm Holes Tolerance: +/- 1mm Weight: 837g..
£3.58
External Channel Coupler 41mm x 21mm HDG
Approx Dimensions & Details: 13mm Holes Tolerance: +/- 1mm Weight: 572g..
£2.63
Internal Channel Coupler 41mm x 41mm BZP
Approx Dimensions & Details: M6 Thread Holes Tolerance: +/- 1mm Weight: 285g..
£1.98
Internal Channel Coupler 41mm x 21mm BZP
Approx Dimensions & Details: M6 Thread Holes Tolerance: +/- 1mm..
£1.88