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

Safety lock nut MU-SL R M12 (Art. 562014) Fischer
Key features
- TypeSafety locknut
- ThreadM12
- MaterialStainless steel
- StandardUNI 8835 - DIN 7967
- UsePrevents the nut from loosening in fixings subject to vibration or dynamic loads
- Pack (pcs)100
What it is
Safety lock nut MU-SL R M12 (Art. 562014) Fischer. Key specifications: type Safety locknut, thread M12, material Stainless steel.
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
- Industrial construction
- Residential construction
- Building services
Technical data
- Type: Safety locknut
- Thread: M12
- Material: Stainless steel
- Standard: UNI 8835 - DIN 7967
- Use: Prevents the nut from loosening in fixings subject to vibration or dynamic loads
- Pack (pcs): 100
Who it is for
Designed for electricians, metal fabricators and plumbers.
Related products
- Diamond nut FCN Fischer
- Safety lock nut MU-SL R Fischer
- Threaded rod by the metre, class 4.6/4.8, Fischer — from the category Threaded Rods
- Washer FWC-CS ZP Fischer — from the category Flat Washers
- Hot-dip galvanised SKS screws Fischer — 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 6
| Type | Safety locknut |
|---|---|
| Thread | M12 |
| Material | Stainless steel |
| Standard | UNI 8835 - DIN 7967 |
| Use | Prevents the nut from loosening in fixings subject to vibration or dynamic loads |
| Pack (pcs) | 100 |
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.




