Seal threaded joints and fittings, preventing water and gas leaks.

Flat washer in copper Unifix
Also known as: plain washer
Key features
- MaterialCopper
What it is
Flat washer in copper Unifix. Key specifications: material Copper.
A washer is a perforated disc placed under the nut or screw head to spread the load, prevent loosening or insulate the fixing.
What it is for
Used in the installation and maintenance of plumbing systems, in mechanical maintenance of machinery and plant, during scheduled shutdowns or breakdowns and for vehicle maintenance, in the workshop and on the road.
How to use it
Choose an inner diameter matching the screw or threaded rod and a compatible material (zinc-plated, stainless steel, plastic). Place flat washers and penny washers under the nut to avoid damaging the substrate and to spread the pressure; place the spring washer under the nut, where it is flattened on tightening to resist vibration loosening. Use seismic washers only with the anchor they are certified for.
Where it is used
- Building services
- Mechanical engineering industry
- Mechanical workshops
Technical data
- Material: Copper
Who it is for
Designed for plumbers, industrial maintenance technicians and mechanics.
Standards and compliance
Reference standards: CE marking in accordance with the EU directives applicable to the Sottocosto sector, compliance with current technical and safety standards, technical documentation supplied by the manufacturer Unifix.
Copper is a Unifix product in the Sottocosto category for professional use.
Related products
- Flat washer stainless steel A2 AISI 304 Unifix
- Wide washer stainless steel A2 AISI 304 Unifix
- Tall dome nut, raw brass, Unifix — from the category Hex Nuts
- Small bar with nut Unifix — from the category Threaded Rods
- Hexagonal male-female standoff in galvanised steel Unifix — from the category Bolts and Metric Screws
- Browse the whole category: Flat Washers
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 1
| Material | Copper |
|---|
The perfect setup for this job
Everything you need in one place, from functionality to safety.
For the job
Tighten and loosen nuts and bolts with the open end or the polygonal ring end.
Tighten and loosen hex nuts and screws of different sizes with a single ratchet.



