
SB509 Galvanised Standard 4 Hole Flat Plate 175mm x 40mm
SB509
SB509 Galvanised Standard 4 Hole Flat Plate 175mm x 40mm – Extended-Length Bracket for Cable Tray & Pipework Support
The SB509 Galvanised 4 Hole Flat Plate provides strong, corrosion-resistant support for extended-length applications in electrical and mechanical installations. Manufactured to BS6946 and hot dip galvanised to BS729, this bracket offers dependable performance with quick, on-site assembly—no welding or fabrication required.
- BS6946 Certified: Complies with UK standards for safe and durable structural fixing solutions.
- Four Fixing Points: 4-hole configuration allows for balanced load distribution and improved stability across longer spans.
- Heavy-Duty Build: Constructed from 6mm thick steel, 40mm wide for high mechanical strength.
- Hot Dip Galvanised Finish: Coated to BS729 for corrosion protection in indoor and outdoor environments.
- Quick Installation: Designed for use with M12 or smaller setscrews—no on-site welding needed.
Technical Specification
- Material: Steel
- Dimensions: 175mm x 40mm
- Thickness: 6mm
- Hole Size: 14mm (compatible with M12 or smaller fixings)
- Finish: Hot Dip Galvanised to BS729
✅ Use the SB509 4 Hole Flat Plate for secure, corrosion-resistant support in extended cable tray and structural bracket installations!

Slotted | N |
Hole Centre | 45 mm |
Product | Channel Support Plate |
Type | Flat Plate |
Colour | Galvanised |
Length | 175 mm |
Unit Weight | 0.257 kg |
Material | Steel |
Width | 40 mm |
Finish | Galvanised |
Standards | BS 6946 BS EN 10025 |
Qualifier | 4 Hole |
Nominal Width | 40 mm |
Delivery Options:
- PRIORITY DELIVERY – Next Working Day (All items in stock and ordered before 3 pm) - £7.08 inc-VAT. (£5.90 ex-VAT)
- Orders Over £100 (before VAT): We offer free standard shipping on all orders shipped to UK mainland addresses
- Orders under £100 (before VAT): Our standard delivery fee to UK mainland addresses is £5.90 ex-VAT (£7.08 inc-VAT)
*Delivery charges to JE, GY, TR, BT, IM, IV, HS, KW, ZE and certain PA post codes are £12 ex-VAT for all orders (Prices subject to change).
Items requiring specialist shipping:
- Orders containing Solar Panels, Batteries and/or Inverters: Up to 50 qty will be dispatched on a pallet and incur a £120 ex-VAT delivery charge**.
**Delivery charges to JE, GY, TR, BT, IM, IV, HS, KW, ZE and certain PA post codes are £180 ex-VAT (Prices subject to change).
Contact us if you have any further questions.