
SB503 Galvanised 3 Hole 90º Angle Plate 88mm x 54mm
SB503
SB503 Galvanised 3 Hole 90º Angle Plate 88mm x 54mm – Reinforced Bracket for Cable, Ducting & Pipe Support
The SB503 Galvanised 3 Hole 90º Angle Plate provides durable and versatile support for a variety of electrical and mechanical installations. Manufactured to BS6946 and hot dip galvanised to BS729, this bracket is designed for fast and secure installation without welding or fabrication.
- BS6946 Compliant: Built to industry standards for strength, dimensional accuracy, and structural reliability.
- 3-Point Fixing Design: Features three pre-drilled 14mm holes to support M12 or smaller setscrews for secure mounting.
- Robust Galvanised Finish: Hot dip galvanised to BS729 for superior corrosion resistance in harsh environments.
- Solid Steel Construction: Made from 6mm thick steel, 40mm wide, offering strong, long-lasting support.
- Quick-Fit Installation: No need for on-site welding – suitable for fast, efficient project completion.
Technical Specification
- Material: Steel
- Dimensions: 88mm x 54mm
- Thickness: 6mm
- Finish: Hot Dip Galvanised to BS729
- Hole Size: 14mm (for M12 or smaller setscrews)
✅ Install the SB503 3 Hole 90º Angle Plate for strong, corrosion-resistant support in your cable tray, ducting, or pipework systems!

Slotted | N |
Product | Channel Support Plate |
Type | Angle Plate |
Colour | Galvanised |
Unit Weight | 0.191 kg |
Material | Steel |
Finish | Galvanised |
Standards | BS 6946 BS EN 10025 |
Qualifier | 3 Hole |
Nominal Width | 54 mm |
Angle | 90 Degree |
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.