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

Hex nuts UNI 5588
Key features
- StandardUNI 5588
- Finishgalvanised
- Available hole diameters (mm)3, 4, 5, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24
What it is
Hex nuts UNI 5588. Key specifications: standard UNI 5588, finish galvanised.
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
- Mechanical engineering industry
- Mechanical workshops
Technical data
- Standard: UNI 5588
- Finish: galvanised
Who it is for
Designed for metal fabricators, industrial maintenance technicians and mechanics.
Related products
- Milled nuts
- Hex nuts, stainless steel A2
- Galvanised threaded rods FIS — from the category Threaded Rods
- Copper washers — from the category Flat Washers
- Galvanised Split Pin Assortment — from the category Bolts and Metric Screws
- Browse the whole category: Hex Nuts
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.
Specifications 3
| Standard | UNI 5588 |
|---|---|
| Finish | galvanised |
| Available hole diameters (mm) | 3, 4, 5, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24 |
The perfect setup for this job
Everything you need in one place, from functionality to safety.
For the job
Spread the load under nuts and screws and stop the fixing coming loose.
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.




