What are the dimensions of this Facom 83H.4 hex key?

This key has a 4 mm hex size, a long arm length of 100 mm, and a short arm length of 25 mm.

Does this hex key feature a ball end?

No, this model has standard straight hexagonal ends on both sides and no ball end.

What material and finish are used on this key?

It is manufactured from silicon steel with a protective phosphate-coated finish.

Is this hex key insulated or VDE-certified for live electrical work?

No, this tool is not VDE-approved, not rated for 1000V, and has no electrical insulation.

FACOM 83H.4 long Allen spanner 4 mm

Name: FACOM 83H.4 long Allen spanner 4 mm
Brand: FACOM
SKU: 41294686
Price: 1.95 EUR
Availability: InStock

Supplier number: FACOM 83H.4 | EAN 3148511240410

1.95 tax incl.

€1.61 excl. VAT (incl. all environmental contributions)

On stock - immediately available | we have 3 products in stock.

Ordered before 20:00 - delivered tomorrow 03/10/2026
Shipping costs €11.99 VAT included | Free shipping for orders over a total amount of 125 euros
Delivery by DHL
Lifetime warranty on Facom? Or limited in time? Read more about it here.

✆ Talk to a specialist

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Reliable reach with the Facom hex key

Practical benefits

Access deeply recessed fasteners: The 100 mm long arm lets you easily access hard-to-reach 4 mm hexagonal socket screws.
Increased leverage and torque: You achieve higher turning power with less physical effort thanks to the extended arm length.
Durable phosphate surface finish: The phosphate coating protects your tool against corrosion and wear throughout demanding daily workshop tasks.

In a nutshell

The right choise for

With the Facom 83H.4 long hex key, you easily access deeply recessed 4 mm socket screws that standard tools cannot reach. Thanks to the 100 mm long arm, you benefit from increased leverage to tighten or loosen fasteners with minimal effort, while the 25 mm short arm helps in tight, compact spaces. Manufactured from durable silicon steel and finished with a phosphate coating, it provides solid protection against corrosion and wear. This gives you the control, precision, and reliability needed for demanding maintenance, mechanical repairs, and assembly jobs.

Product information FAQ

€1.95

In stock - tax incl.

Key features according to our expert

Width across flats: 4 mm
Non-sparking: No
Overall length: 100 mm
Short arm length: 25 mm
Blade length: 100 mm
Surface treatment: Phosphated
Supplier warranty: FACOM - Lifetime (E)
With safety colour code 1000V: No
Handle type: Not applicable
With handle: No
With ball head: No
VDE approved: No

Product description

83H - Long metric hex keys

Features

Made of silicon steel.
Design: phosphated.

All Features

Width across flats: 4 mm
Non-sparking: No
Overall length: 100 mm
Short arm length: 25 mm
Blade length: 100 mm
Surface treatment: Phosphated
Supplier warranty: FACOM - Lifetime (E)
With safety colour code 1000v: No
Handle type: Not applicable
With handle: No
With ball head: No
Vde approved: No
Anti-theft version: No
Shaft length (mm): 100
Leg length longest part (mm): 100
Leg length shortest part (mm): 25
With centring pin: No
Key width (mm): 4
Implementation: Hook
With hole: No
Overall length (mm): 104
Insulated 1000 v: No

Brand FACOM
41294686
EAN 3148511240410
Supplier number FACOM 83H.4
Warranty Lifetime warranty on Facom? Or limited in time? Read more about it here.

Frequently asked questions about this product

Answered by specialists

What are the dimensions of this Facom 83H.4 hex key?: This key has a 4 mm hex size, a long arm length of 100 mm, and a short arm length of 25 mm.
Does this hex key feature a ball end?: No, this model has standard straight hexagonal ends on both sides and no ball end.
What material and finish are used on this key?: It is manufactured from silicon steel with a protective phosphate-coated finish.
Is this hex key insulated or VDE-certified for live electrical work?: No, this tool is not VDE-approved, not rated for 1000V, and has no electrical insulation.