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

Connecting nuts for threaded rods
Key features
- FinishGalvanised
- Hole diameter (mm)da 5 a 16
- Length (mm)20, 30
What it is
Connecting nuts for threaded rods. Key specifications: finish Galvanised, hole diameter (mm) da 5 a 16, length (mm) 20, 30.
The coupling nut is a cylindrical or hexagonal element with an internal thread that joins two threaded rods or extends one.
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 the coupling nut with the same thread as the rods and screw it onto one rod, then screw on the other until it stops, checking that both are engaged to the full depth. If it has a hexagonal profile, tighten it with a spanner. Check the connection before loading it.
Where it is used
- Mechanical engineering industry
- Mechanical workshops
Technical data
- Finish: Galvanised
- Hole diameter (mm): da 5 a 16
- Length (mm): 20, 30
Who it is for
Designed for metal fabricators, industrial maintenance technicians and mechanics.
Related products
- Replacement brass nuts
- Milled nuts
- Threaded rods, steel, class 4.8 — from the category Threaded Rods
- Apron washers, stainless steel A2 — from the category Flat Washers
- Hex bolts TED 6x80 — from the category Bolts and Metric Screws
- Browse the whole category: Hex Nuts
Before you order
In your request, please state the length, the diameter 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 3
| Finish | Galvanised |
|---|---|
| Hole diameter (mm) | da 5 a 16 |
| Length (mm) | 20, 30 |
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.




