Description
External Coupler for 21mm Channel
The External Coupler for 21mm Channel provides a strong, versatile connection for strut channel systems. Finished in hot dipped galvanised, it offers dependable corrosion resistance and long service life. Ideal for professional trade, construction and building services use.
Key Specifications:
- External Connector Bracket for 21mm Strut Channel
- Mild Steel
- Thickness – 5mm
- Hot Dip Galavanised (HDG)
- M14 Holes x 4
- Length – 175mm
- Compatible with all types of Unistrut Channel
- Sold Individually
Key Benefits:
- Strong, versatile connection for strut channel
- Pre-punched holes for fast bolt fixing
- Compatible with all standard strut and bracketry
- Finished in hot dipped galvanised for corrosion resistance
Applications:
- Connecting and supporting strut channel
- Cable tray and basket bracketry
- Pipework and mechanical services support
- Structural and building services fixings
Ordering & Delivery:
Trusted UK Delivery – 95% of orders dispatched within 24 hours
Most orders arrive within 1–2 working days as standard.
Note: Heavy or bulk orders, as well as any special cut length or non-standard products, may take slightly longer to dispatch.
For bulk quantities or trade pricing, please call our team on 0121 270 8507.













