Insulated VDE T-Handle Hex Key 4mm – 1000V Rated Electrician Hex Driver Tool CK Tools T4422 04
£6.00
Ex. VAT
(over £100+VAT, applies to zone A only , £6 +VAT otherwise)
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This is the Insulated VDE T-Handle Hex Key 4mm – 1000V Rated Electrician Hex Driver Tool CK Tools T4422 04 available at SparksDirect.co.uk for the best price.
The CK Tools T4422 04 is a professional 4mm insulated T-handle hex key designed for electricians and engineers who require safe, controlled access to hex socket fasteners in electrical installations. It is VDE approved and individually tested to 10,000V, making it suitable for live working environments up to 1,000V AC when used correctly and in accordance with safety procedures.
Built for reliability, the T4422 04 combines a hardened S2 steel blade with an ergonomic, dual-component T-handle that improves grip, comfort, and torque delivery during repetitive or high-resistance fastening tasks.
Features and Benefits
- VDE approved for professional electrical safety compliance
- Individually tested to 10,000V for safe working up to 1,000V AC
- 4mm hex tip suitable for common electrical and industrial fasteners
- High-strength S2 steel blade for durability and wear resistance
- Hardened and tempered construction for long service life
- Ergonomic dual-component T-handle for improved comfort and grip
- T-handle design increases torque and control compared to L-keys
- Insulated handle protects against electrical shock risk
- Suitable for confined and repetitive installation work
- Designed for professional industrial and electrical use environments
Technical Specifications
- Model: CK Tools T4422 04
- Tool Type: Insulated T-Handle Hex Key
- Hex Size: 4mm
- Blade Material: S2 steel
- Blade Treatment: Hardened and tempered
- Handle Type: Dual-component ergonomic insulated T-handle
- Voltage Rating: Safe working up to 1,000V AC
- Test Voltage: 10,000V
- Standards: VDE / EN 60900 compliant
- Approx. Length: 150mm
- Colour: Red/yellow insulated handle
- Application: Electrical installation and maintenance work
Frequently Asked Questions
Can I use this 4mm hex key on fasteners smaller than 4mm?
No, the tool is precision-sized for 4mm hex sockets. Using it on smaller fasteners will not provide a secure fit and will likely result in damage to the screw head.
Is the T-handle insulation permanent?
Yes, the insulation is bonded to the handle and shaft to meet IEC 60900 standards. However, you should inspect the insulation regularly; if you notice any cuts, nicks, or damage to the red or yellow plastic coating, the tool should be replaced immediately.
Does this tool work in tight or recessed spaces?
Yes, the long, slim profile of the 4mm blade is designed to reach into recessed terminal blocks and panel compartments, while the T-handle provides the necessary reach and leverage to manipulate the screw easily.
Who Needs This Product?
This tool is a staple for professional electricians, control panel technicians, and maintenance engineers. It is particularly useful for those who perform regular maintenance on switchgear, motor control centers, and industrial machinery where 4mm hex-head fasteners are the industry standard for securing cable terminals and panel covers.
What Is This Used For?
The T4422 04 is primarily used for fastening and unfastening 4mm hexagonal socket screws while working on or near energised circuits.
It is widely used for:
- Terminating cables in distribution boards.
- Adjusting contactors and relays.
- Removing or securing protective covers in electrical enclosures.
- General assembly of electrical components where high-torque hex security is required.
Reasons Electricians Recommend This
- Certified electrical safety - VDE insulation and 10kV testing provide confidence when working in live or potentially live environments.
- High torque with better control - The T-handle design allows more efficient force application compared to standard hex keys, improving productivity.
- Durable professional build - S2 steel construction ensures long-term performance even under frequent industrial use and high torque conditions.
About CK Tools
CK Tools is a leading British manufacturer of professional hand tools with over a century of heritage in the trade industry. The brand is especially respected in the electrical sector for producing durable, precision-engineered tools designed for professional electricians and engineers. Their product ranges are known for combining safety compliance, ergonomic design, and long-lasting materials suitable for demanding job site conditions.
About the Range
The T4422 04 belongs to the CK Tools Insulated T-Handle Hex Key range, a specialist series designed specifically for electrical professionals. Each tool in the range is VDE certified, individually tested to 10,000V, and rated for safe use up to 1,000V AC.
| Tools Specs | |
| Tool Type | T-Handle Hex Key |
| Brand | CK Tools |
| Application | T-Handle Electrician's Hexagon Driver Tool |
| Tool size | 150mm |
| 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.
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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.
