Description
300mm Slotted Cantilever Arm – A4 Stainless Steel
This 300mm Slotted Cantilever Arm – A4 Stainless Steel is built for long-lasting performance in both internal and external environments. Manufactured from heavy-duty marine grade stainless steel, this robust support arm features a slotted 41mm unistrut-type channel and is designed to work seamlessly with standard strut channel and bracketry systems.
Key Features:
- Length: 300mm – suitable for medium-duty wall-mounted support structures
- Material: A4 Stainless Steel (Grade 316) for corrosion resistance in marine or outdoor use
- Channel Profile: 41mm slotted unistrut-type channel – 2.5mm thick for extra strength
- Back Plate: 120mm x 45mm x 8mm thick – with 2 × 13.5mm holes (fits up to M12 bolts)
- Welded Joint: Channel-to-back-plate weld using stainless steel rods for added durability
- Compatibility: Fits all standard 41mm strut channels and support brackets
- Sold Individually
Benefits:
- Designed for use in coastal, marine, and high-humidity environments
- Heavy duty design ensures high load capability and structural integrity
- Compatible with full A4 stainless strut systems
- Ideal for external pipework support, cable management, and framework structures
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.














