Overview
Copper washers are precision-engineered components designed to provide a reliable sealing solution in various industrial applications. Manufactured from high-quality copper, these washers offer excellent thermal and electrical conductivity, making them ideal for use in environments where heat dissipation and electrical grounding are critical. The design of the copper washer typically features a flat, circular shape with a central hole, allowing it to fit securely around bolts or screws. This design ensures an even distribution of pressure, preventing leakage and enhancing the integrity of mechanical joints. Copper washers are commonly produced through stamping or machining processes, which guarantee consistent dimensions and surface finish, essential for maintaining performance under demanding conditions.
The performance of copper washers is characterized by their durability, corrosion resistance, and malleability, which allows them to conform to irregular surfaces and create tight seals. These attributes make copper washers suitable for applications in automotive, plumbing, electrical, and hydraulic systems, where they serve as effective gaskets or spacers. The inherent softness of copper helps absorb vibrations and reduces the risk of damage to mating surfaces, extending the lifespan of assemblies. Additionally, copper washers resist oxidation and maintain their sealing properties over time, even in harsh environments. The combination of these features ensures that copper washers provide a cost-effective and dependable solution for enhancing joint reliability and preventing fluid or gas leaks in industrial settings.
| Product Type | Copper Washer |
| Head Style | Flat Circular Washer |
| Manufacturing Process | Stamping and Annealing |
| Thread Type | Non-threaded |
| Common Materials | Copper |
| Available Sizes | Various inner diameters from M3 to M24, thicknesses from 0.5mm to 3mm |
| Strength Features | Good corrosion resistance, excellent electrical and thermal conductivity |
| Typical Applications | Sealing, electrical connections, plumbing, automotive and hydraulic systems |
| Surface Finishes | Natural copper finish, tinned, or plated for enhanced corrosion resistance |
| Standards | DIN 7603, ISO 7089 |
| Customization | Custom Sizes, Materials, Threads & Surface Finishes Available |
Copper washers deform easily to fill gaps, providing leak-proof seals in fluid and gas systems.
Ideal for applications requiring efficient heat transfer and dissipation.
Resistant to oxidation and corrosion in various environments, extending service life.
Suitable for grounding and electrical applications due to copper’s excellent conductivity.
Available in multiple diameters and thicknesses to fit diverse fastening needs.
Used across plumbing, automotive, HVAC, and industrial sectors for reliable sealing.
| Product Type | Copper Washer |
| Thread Type | Not Applicable |
| Diameter Range | M3 to M48 |
| Thickness Range | 1 to 10 mm |
| Available Materials | Copper |
| Manufacturing Standards | ASTM B75, DIN 7603 |
| Surface Finish | Natural Copper Finish |
| Diameter (mm) | Inner Diameter (mm) | Outer Diameter (mm) | Thickness (mm) |
|---|---|---|---|
| M3 | 3 | 7 | 1 |
| M6 | 6 | 12 | 1.5 |
| M12 | 12 | 20 | 2 |
| M24 | 24 | 36 | 3 |
| M48 | 48 | 65 | 5 |