Copper sealing washers (crush washers) provide a reliable, deformable seal under bolt heads, banjo fittings, and hydraulic connections, ideal for fuel, oil, and hydraulic lines where a soft, corrosion-resistant sealing surface is required. Available individually in standard metric and imperial sizes, or as an organized assorted box for automotive and hydraulic maintenance teams.
Why Choose PM Copper Washers?
- Manufactured from high-purity annealed copper
- Excellent sealing performance under high pressure
- Superior heat and corrosion resistance
- High durability and long service life
- Excellent thermal conductivity
- Available in metric, imperial, and custom sizes
- OEM replacement and custom manufacturing
- Expert technical support and fast delivery
Key Features of Copper Washers
- Leak-Free Sealing - Provides a secure metal-to-metal seal that prevents fluid, oil, fuel, and gas leakage in threaded connections.
- High Pressure Resistance - Designed to perform reliably in demanding hydraulic, pneumatic, and fuel system applications.
- Excellent Heat Resistance - Withstands high operating temperatures without losing sealing performance.
- Corrosion Resistance - Offers excellent resistance to corrosion, oxidation, and harsh operating environments.
- High Malleability - Annealed copper easily conforms to uneven sealing surfaces, ensuring a tight and reliable seal.
- Long Service Life - Manufactured from premium-quality copper for consistent performance and extended durability.
- Precision Manufacturing - Produced to tight dimensional tolerances for accurate fit and dependable sealing.
Copper Washers
Types
PM Copper Washers are precision-engineered sealing components designed to provide a reliable, leak-free seal in threaded fittings, hydraulic systems, fuel systems, and high-pressure applications. Manufactured from high-purity annealed copper, these washers offer excellent malleability, allowing them to conform to mating surfaces and create a secure seal under compression. PM Copper Washers are widely used where durability, heat resistance, and pressure resistance are essential for long-lasting sealing performance.
Looking for premium-quality Copper Washers for your hydraulic, automotive, or industrial applications?
PM offers a complete range of standard and custom copper washers designed to deliver reliable sealing performance, excellent durability, and long service life. Our experienced technical team can help you select the right washer based on your application, operating conditions, and dimensional requirements.