Insulated T-Handle Hex Key 3mm VDE 1000V Electrician's Hexagon Allen Key CK Tools T4422 03
£5.01
Ex. VAT(over £100+VAT, applies to zone A only , £6 +VAT otherwise)
Order online & collect in store
This is the Insulated T-Handle Hex Key 3mm VDE 1000V Electrician's Hexagon Allen Key CK Tools T4422 03 available at SparksDirect.co.uk for the best price.
The CK Tools T4422 03 RedLine VDE Insulated T-Handle Hex Key is a precision-engineered tool designed for professionals who require both maximum torque and uncompromising safety. Featuring a 3mm hex tip, this tool is ideal for tightening or loosening hexagonal socket screws in electrical installations, distribution boards, and panel building. The T-handle design provides superior leverage compared to standard L-shaped keys, allowing for more controlled and efficient fastening in confined spaces.
Safety remains the cornerstone of this instrument. Being fully VDE-certified and individually tested to 10,000V, it is rated for safe live working up to 1,000V AC. Constructed from high-performance S2 steel and finished with an ergonomic, dual-component handle, it offers the perfect balance of durability, comfort, and electrical insulation for high-stakes electrical work.
Features and Benefits
- VDE approved for professional electrical work
- Individually tested to 10,000V for safe working up to 1,000V
- 3mm hex key size suitable for common electrical fasteners
- Premium S2 steel blade for exceptional strength and durability
- Hardened and tempered construction resists wear and deformation
- Ergonomic dual-component T-handle improves comfort during prolonged use
- T-handle design provides increased torque and control
- Insulated coating helps protect users when working near live circuits
- Ideal for electrical installations, maintenance, and repair work
Technical Specifications
- Model: CK Tools T4422 03
- Product Type: Insulated T-Handle Hex Key
- Hex Size: 3mm
- Blade Material: Premium S2 steel
- Blade Construction: Hardened and tempered
- Handle Type: Dual-component ergonomic T-handle
- Insulation Rating: Safe working up to 1,000V AC
- Test Voltage: 10,000V
- Standards: VDE Approved, IEC 60900 / EN 60900
- Approximate Length: 125mm
- Long Arm Length: Approximately 100mm
- Colour: Red/Yellow insulated handle
Frequently Asked Questions
What size fasteners does this hex key fit?
The T4422 03 is a 3mm hex key designed for use with 3mm hex socket screws commonly found in electrical equipment, switchgear, control panels, and industrial installations.
Why choose a T-handle hex key instead of a standard L-shaped hex key?
The T-handle design provides greater leverage, improved torque transfer, and a more comfortable grip, allowing faster and easier tightening or loosening of fasteners.
Is the CK Tools T4422 03 suitable for live electrical work?
Yes. The tool is VDE approved and individually tested to 10,000V, making it suitable for work on live systems up to 1,000V when used according to safe working practices.
Who Needs This Product?
This tool is essential for electricians, electrical control panel builders, and maintenance engineers who frequently interact with recessed or tightened hex socket fasteners. It is also a critical component for technicians working on renewable energy systems, such as solar inverters or EV charging equipment, where hex-head screws are standard.
What Is This Used For?
The T4422 03 is primarily used for fastening and unfastening 3mm hexagonal socket screws in electrical hardware. Its insulated shaft allows for the safe adjustment of terminals, contactors, and protective equipment within distribution boards or control panels while keeping the user protected in live-working scenarios.
Reasons Electricians Recommend This
- Enhanced Torque Control: The T-handle provides better ergonomics and grip, allowing the user to reach the required tightness with less physical exertion.
- Safety Compliance: Meeting the strict IEC 60900 standard gives electricians the confidence required to work safely near live components.
- Durability: The use of premium S2 steel means the tip resists "rounding off," which is a common failure point in cheaper, lower-quality hex keys.
About CK Tools
CK Tools is one of the UK's leading manufacturers of professional hand tools, with a heritage dating back more than 100 years. Renowned for producing high-quality tools for electricians, engineers, and trade professionals, the brand focuses on innovation, safety, and durability. CK Tools products are widely trusted throughout the electrical industry and are designed to meet the rigorous demands of professional users worldwide.
About the Range
The CK Tools T4422 03 belongs to the CK Tools Insulated T-Handle Hex Key range, a specialist collection of VDE-certified hex keys developed for professional electrical work. The range includes multiple metric sizes to suit common electrical fasteners while maintaining the same premium S2 steel construction, ergonomic dual-component handles, and insulation tested to 10,000V. Designed for safe and efficient fastening in electrical installations, the range delivers the torque, comfort, and protection demanded by professional electricians and maintenance engineers.
| Tools Specs | |
| Tool Type | T-Handle Hex Key |
| Brand | CK Tools |
| Application | T-Handle Electrician's Hexagon Allen Key |
| Tool size | 125mm |
| Range | CK RedLine VDE |
| Packaging type | Pack of 1 |
Note: Some images and pictures are for reference only. The item may differ from the image/picture due to manufacturer's change. Should you require the exact item in the picture, please call or email us to enquire.
Need more detailed specs?
Shipping
Sparks Direct delivers via courier to the UK only; the standard delivery charge is £6 + VAT for all orders under £100 + VAT. If your order is over £120, you get free delivery (unless there's a special delivery charge for the items you wish to order or you're in shipping zone C or D). Full details for shipping charges can be found via Terms and Conditions.
If the items you order are in stock and the order is placed before 1.00pm, delivery can be made within 1-2 working days. If the items are not in stock, we will inform you via email how long it will take or ask for your confirmation if there's a long lead time.
Returns
We offer 30-day returns for unwanted items - please email us to request a returns number which will need to be quoted when the items are returned. For faulty items or items damaged in transit, please advise via email, and an appropriate returns number will be provided. Full details concerning returns and refunds can be found via our Terms and Conditions.















