Lubricate, free up and protect against rust when sprayed directly onto the part.

Double hex/bi-hex flare-nut spanners, Fervi 0393
Key features
- Sizes (mm)6 - 7 - 8 - 10 - 11 - 12 - 13 - 14 - 17 - 19 - 22
- Gross weight (kg)3,12
- Packaging dimensions (mm)420 × 290 × 50
- EAN8012667266172
What it is
Double hex/bi-hex flare-nut spanners, Fervi 0393. Key specifications: sizes (mm) 6 - 7 - 8 - 10 - 11 - 12 - 13 - 14 - 17 - 19 - 22, gross weight (kg) 3,12, packaging dimensions (mm) 420 × 290 × 50.
A socket is a cylinder with a hexagonal or bi-hex profile that fits over the nut and mounts on a ratchet; the category also includes box spanners and T-handle wrenches.
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 a socket of the exact size with the ratchet's drive, standard or deep depending on how far the bolt protrudes. Push it fully onto the nut and pull the handle smoothly, without jerking. Chrome sockets are for hand use only: impact wrenches require impact sockets.
Where it is used
- Building services
- Mechanical engineering industry
- Mechanical workshops
Technical data
- Sizes (mm): 6 - 7 - 8 - 10 - 11 - 12 - 13 - 14 - 17 - 19 - 22
- Gross weight (kg): 3,12
- Packaging dimensions (mm): 420 × 290 × 50
Who it is for
Designed for electricians, industrial maintenance technicians and mechanics.
Related products
- Double hex/bi-hex flare-nut spanners, Fervi 0393/06
- Spark plug wrench Fervi
- Ergonomic ratchet Fervi CN450N1/4A — from the category Ratchets
- Ball-end extension Fervi EN404N150A — from the category Ratchet and Socket Sets
- Long hex impact socket, plastic-coated, 17 mm, 1/2" drive Fervi 0341/17L — from the category Impact Sockets
- Browse the whole category: Socket Wrenches
Before you order
Tell us the quantities you need and the intended use: if there is a more suitable version, or an equivalent available sooner, we will let you know.
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.
Indicative price €48,24 – €80,40 + VAT
Incl. 22% VAT: €58,85 – €98,09
Indicative, excluding VAT, depends on quantity, ex works: the final price is the one in your quote
Source: Listino Fervi (fervi.com) · updated 21/07/2026
Specifications 4
| Sizes (mm) | 6 - 7 - 8 - 10 - 11 - 12 - 13 - 14 - 17 - 19 - 22 |
|---|---|
| Gross weight (kg) | 3,12 |
| Packaging dimensions (mm) | 420 × 290 × 50 |
| EAN | 8012667266172 |
The perfect setup for this job
Everything you need in one place, from functionality to safety.
For the job
Keep tools and small parts organised and secure during transport.
Complete the fixing when screwed onto bolts, screws and threaded rods.
For safety
Protect hands from abrasion, dirt, liquids and minor cuts while keeping a firm grip.




