wiha_27928

WIHA 334N040150 socket spanner with transverse handle electric hexagonal 4 x 150 mm - 27928

Supplier number: WIHA 27928 | EAN 4010995279288
9.08 tax incl.
€7.50 excl. VAT (incl. all environmental contributions)
On order: delivered from 08/10/2026

  • Delivery by DHL

High torque fastening with Wiha

Practical benefits
  • Maximum leverage via T-handle: You effortlessly apply high tightening torque to stubborn hex socket screws using the ergonomic cross-handle grip.
  • Certified VDE electrical safety: The insulation rated up to 1000V keeps you protected and confident while working on live electrical components.
  • Tough through-hardened blade: Built with a 150 mm chrome-vanadium steel blade, it provides outstanding durability and exact fastener engagement.

In a nutshell

The right choise for

With the Wiha 334N040150 hex key, you effortlessly tighten and loosen socket screws on electrical installations up to 1000V AC. The ergonomic T-handle provides powerful leverage, allowing you to transfer high torque onto stubborn 4 mm fasteners without straining your hands. Thanks to the 150 mm blade length and a total length of 176 mm, you easily reach deep-seated screws in electrical switchboards and control cabinets. The hardened chrome-vanadium steel blade ensures a precise fit and long-term durability, while the VDE-certified insulation delivers dependable safety whenever you work near live components.



€9.08
tax incl.

Product information

Key features according to our expert

  • Width across flats: 4 mm
  • With ball head: No
  • With handle: Yes
  • Handle type: T-handle
  • VDE approved: Yes
  • With safety colour code 1000V: Yes
  • Non-sparking: No
  • Overall length: 176 mm

Product description

  • Simplifies your work: More power when fastening thanks to the leverage from the T-handle design
  • Increases your efficiency: Handle size concept for an optimum balance between torque and control
  • Offers you full protection: Each tool individually tested at 10,000 V AC and approved for 1,000 V AC.
  • Product dimensions: 177 x 15 x 79 mm (LxWxD)
  • Application: For hex socket screws.
  • Manufactured acc. to IEC 60900.

All Features

Width across flats
4 mm
With ball head
No
With handle
Yes
Handle type
T-handle
Vde approved
Yes
With safety colour code 1000v
Yes
Non-sparking
No
Overall length
176 mm
Internal hexagon (mm)
4 mm
Vde certified
Yes
Handle diameter (mm)
26 mm
With battery / rechargeable battery
No
Length t-handle blade (mm)
150 mm
Tool for electrics
Yes
Handle width (t-handle) (mm)
80 mm
Overall length (mm)
176 mm
Esd article
No
Self service - packing
No
  • Brand WIHA
  • EAN 4010995279288
  • Supplier number WIHA 27928

Frequently asked questions about this product

Answered by specialists
Is this hex key suitable for live electrical work?
Yes, it is VDE certified and approved for work on live parts up to 1000V AC.
What are the dimensions of this hex key?
It has a 4 mm hex drive, a 150 mm blade length, and a total length of 176 mm.
What advantage does the T-handle design provide?
The T-handle provides superior leverage, allowing you to transfer high torque with less effort.
Does this tool feature a ball end?
No, this model has a straight hexagonal tip without a ball end.
Is this tool non-sparking?
No, this tool is not non-sparking.
Questions about this product?

Our product specialists are happy to help with any questions about this range. Call, email or chat with us!

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