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

High self-locking nuts, galvanised, M4 coarse pitch DIN 982 Vigor 04240-04
Key features
- Size (mm)4
- StandardDIN 982 / UNI 7473
- ThreadMetrica ISO passo grosso
What it is
High self-locking nuts, galvanised, M4 coarse pitch DIN 982 Vigor 04240-04. Key specifications: size (mm) 4.
A nut is the female threaded fastener that, screwed onto a screw, bolt or threaded rod, completes the fixing; the category also includes lock nuts, self-locking nuts and coupling nuts.
What it is for
Used for assembling steel structures and for mechanical fixing of structures and components to walls, ceilings and floors.
How to use it
Choose a nut with the same diameter, pitch and material as the screw or rod, zinc-plated with zinc-plated and stainless with stainless. Start the first few threads by hand to avoid damaging them, then tighten with a spanner or socket of the correct size, fitting a washer where needed. Where there is vibration, use a self-locking nut or a lock nut.
Where it is used
- Building services
- Mechanical engineering industry
- Mechanical workshops
Technical data
- Size (mm): 4
Who it is for
Designed for metal fabricators, industrial maintenance technicians and mechanics.
Related products
- Knob with threaded insert, through hole, Unifix
- Knob with threaded insert, blind hole, Unifix
- Threaded rods, grade 8.8, galvanised, 1 m, 8 mm, Vigor — from the category Threaded Rods
- Copper washers — from the category Flat Washers
- Round head square neck bolts, galvanised, with nut M10x25 mm DIN 603 Vigor — from the category Bolts and Metric Screws
- Browse the whole category: Hex Nuts
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
| Size (mm) | 4 |
|---|---|
| Item code | 04240-04 |
| Standard | DIN 982 / UNI 7473 |
| Thread | Metrica ISO passo grosso |
The perfect setup for this job
Everything you need in one place, from functionality to safety.
For the job
Make tie rods, hangers and chemical anchor fixings together with nuts, washers and connectors.
Tighten and loosen nuts and bolts with the open end or the polygonal ring end.
Tighten and loosen nuts and bolts when fitted to the ratchet, without damaging the corners.




