Description
21mm Slotted Channel – 6 Metre (Hot Dip Galvanised)
The 21mm slotted channel (Strut Pro) provides a heavy-duty, corrosion-resistant solution for building robust support and framing systems. It is manufactured from 2.5mm thick mild steel and finished with a hot dip galvanised (HDG) coating. This 41x21mm channel is designed for external and industrial use. It is ideal where long-term strength and weather protection are required.
Key Features:
- Dimensions: 41mm x 21mm profile, 6 metre length.
- Thickness: 2.5mm heavy-duty mild steel construction for superior strength.
- Finish: Hot dip galvanised (HDG) for outdoor and exposed environments.
- Slot Size: 11mm x 28mm or 14mm x 28mm (slot size supplied depends on stock availability).
- Compatibility: Fully compatible with all standard strut, bracketry, and Unistrut-type fittings.
- Application: Ideal for framing, bracing, supporting cable trays, and mechanical installations.
- Quantity: Sold individually.
This hot dip galvanised slotted channel offers long-lasting corrosion resistance and high load-bearing capacity, making it ideal for external installations, rooftop supports, and heavy-duty structural applications. Because of its standardised 41x21mm profile, it easily integrates with all major Unistrut and Strut Pro accessories for reliable performance on site.
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 special cut lengths or non-standard products, may take slightly longer to dispatch.
For bulk quantities or trade pricing, please call our team on 0121 270 8507.

















