
Armeg ERT04.0 Standard Reach 4.0mm Re-threader
ERT04.0
Armeg ERT04.0 Standard Reach 4.0mm Re-Threader – Quick, Clean Repair for Back Box Threads
The Armeg ERT04.0 Standard Reach Re-Threader is designed to restore damaged 4.0mm threads in electrical back boxes with speed and precision. Built for everyday professional use, it delivers reliable results and eliminates the need to replace boxes on-site.
- Efficient Thread Repair: Restores 4.0mm threads cleanly and quickly for secure electrical fixings.
- Standard Reach Design: Suitable for common thread repair jobs in standard depth back boxes.
- Professional Quality Finish: Ensures re-threaded holes are accurate and ready for reliable installations.
- Built for Installers: Manufactured to Armeg’s high standards for consistent performance and tool life.
- Time & Cost Saving: Reduces waste and installation time by repairing rather than replacing damaged boxes.
Technical Specification
- Thread Size: 4.0mm
- Tool Type: Standard reach re-threader
- Application: Re-threading damaged holes in electrical back boxes
- Range: Part of Armeg's Conduit Installation Range
- Build Quality: Precision-engineered for durability and clean results
✅ Choose the Armeg ERT04.0 for quick, reliable thread repair – a must-have tool for every electrician’s kit!

Ean Code | 5022081030115 |
Product | Re-Threading Tools |
Type | Re-Threading Tool |
Diameter | 4 mm |
Length | 97 mm |
Use | Socket Switch Conduit Box |
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.