Radiator Allen Key – 1/2" A/F Hexagon x 3/8" Square
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A durable radiator Allen key designed for fitting, removing and servicing common radiator valves, plugs and vent fittings.
This dual-ended tool features a 1/2" A/F hexagonal end with a grooved profile for internally lugged radiator valve fittings, while the opposite end is suitable for approximately 3/8" (10mm) square radiator vent plugs with bleed screws.
Its simple L-shaped design provides useful leverage while remaining compact enough to keep in a plumbing toolbox or service bag.
Key Features
✅ Dual-Ended Radiator Tool – Suitable for multiple radiator installation and maintenance tasks
✅ 1/2" A/F Hexagon End – Designed for internally lugged radiator valve fittings
✅ 3/8" Square End – Suitable for approximately 10mm square radiator vent plugs
✅ L-Shaped Design – Provides useful leverage when loosening or tightening fittings
✅ Durable Metal Construction – Suitable for regular plumbing and heating maintenance
✅ Compact & Portable – Easy to keep in a toolbox, service bag or van
✅ Trade & DIY Suitable – Ideal for plumbers, heating engineers, maintenance teams and competent DIY users
Ideal For
- Radiator valve installation
- Removing radiator fittings
- Radiator vent plugs
- Heating system maintenance
- Radiator replacement
- Plumbing repairs
- Property maintenance
Specifications
| Specification | Details |
|---|---|
| Product Type | Radiator Allen Key |
| Hexagon Size | 1/2" A/F |
| Square End | Approx. 3/8" / 10mm |
| Design | Dual-ended L-shaped key |
| Application | Radiator installation & maintenance |
| Quantity | 1 Key |
What’s Included?
📦 1 x 1/2" A/F Hexagon Radiator Allen Key
A useful addition to any plumbing or heating toolkit for working with common radiator valves, vent plugs and fittings.