Join metal parts, with a nut or in a tapped hole, so they can be taken apart.

Hex Allen keys with plastic handle and ball end, Fervi C856/03
Also known as: Allen wrench
Key features
- Hex opening (mm)3
- Size (mm)3
- Packaging dimensions (mm)175 x 95 x 15 h
- Gross weight (kg)0,03
What it is
Hex Allen keys with plastic handle and ball end, Fervi C856/03. Key specifications: hex opening (mm) 3, size (mm) 3, packaging dimensions (mm) 175 x 95 x 15 h.
A hex key is an L- or T-shaped male key, hexagonal or Torx, that fits into the recess in the screw head to tighten or loosen it.
What it is for
Used for industrial maintenance of plant and machinery, in mechanical maintenance of machinery and plant, during scheduled shutdowns or breakdowns and for assembly work.
How to use it
Choose the exact size and profile of the recess and insert the key fully so as not to damage the head. To break loose or tighten, put the short arm in the screw and lever on the long arm; for fast driving or awkward spots, use the long arm or the ball end. Do not extend the leverage with tubes, and replace the key when its edges are rounded.
Where it is used
- Building services
- Mechanical engineering industry
- Mechanical workshops
Technical data
- Hex opening (mm): 3
- Size (mm): 3
- Packaging dimensions (mm): 175 x 95 x 15 h
- Gross weight (kg): 0,03
Who it is for
Designed for electricians, industrial maintenance technicians and mechanics.
Related products
- Hex Allen keys with plastic handle and ball end, Fervi C856/04
- Hex Allen keys with plastic handle and ball end, Fervi C856/02.5
- Insulated cross-head screwdriver Fervi CI82/1080 — from the category Hand Tightening Tools
- Hand wheel with threaded pin — from the category Bolts and Metric Screws
- Torx bits Fervi — from the category Bits
- Browse the whole category: Hex Keys (Allen Keys)
Before you order
In your request, please state the dimensions and the quantities required, so we can give you the right quotation first time.
For prices and availability, request a quote from AMES Srl: we will reply with our quotation, delivery times and, where needed, an equivalent technical alternative.
Specifications 4
| Hex opening (mm) | 3 |
|---|---|
| Size (mm) | 3 |
| Packaging dimensions (mm) | 175 x 95 x 15 h |
| Gross weight (kg) | 0,03 |
The perfect setup for this job
Everything you need in one place, from functionality to safety.
For the job
Lubricate, free up and protect against rust when sprayed directly onto the part.
Keep tools and small parts organised and secure during transport.
Tighten and loosen nuts and bolts with the open end or the polygonal ring end.
For safety
Protect hands from abrasion, dirt, liquids and minor cuts while keeping a firm grip.





