Copper Sealing Washers Metric M3 M4 M5 M6M8 Flat Gasket Sump Plug Washer DIN7603
 

Product description

‌‌‌Key Specifications‌
‌Standard Compliance‌: DIN 7603, ensuring precise dimensions and compatibility with metric fasteners.
‌Material‌: 99.9% pure copper (C11000), offering unmatched electrical conductivity and thermal resistance.
‌Dimensions‌:
‌Sizes‌: Compatible with M3, M4, M5, M6, M8 screws and bolts.
‌Thickness‌: Available in ultra-thin to medium profiles for flexible load distribution.
‌Surface Finish‌: Smooth, uncoated copper for optimal conductivity and corrosion resistance.
‌Temperature Range‌: -50°C to 300°C, ideal for high-heat or cryogenic applications.
‌Corrosion Resistance‌: Naturally resistant to oxidation, water, and mild chemicals.
‌Core Features‌
✔️ ‌Superior Conductivity‌: Ideal for grounding, electrical panels, and RF shielding in electronics or power systems.
✔️ ‌Thermal Management‌: Efficient heat dissipation in HVAC, automotive engines, or industrial machinery.
✔️ ‌Vibration Damping‌: Soft copper absorbs shocks and prevents loosening in motors, compressors, or pipelines.
✔️ ‌Leak-Proof Sealing‌: Conforms to uneven surfaces for airtight/watertight joints in plumbing, gas lines, or refrigeration.
✔️ ‌Non-Sparking Safety‌: Essential for flammable environments like oil refineries, chemical plants, or mining equipment.

Applications‌
‌Electrical Systems‌: Grounding busbars, transformer connections, and circuit breaker assemblies.
‌Automotive Engineering‌: Sealing fuel injectors, brake lines, and exhaust manifold gaskets.
‌Plumbing & HVAC‌: Creating durable seals in water heaters, refrigerant lines, and steam valves.
‌Renewable Energy‌: Solar panel junction boxes, battery terminals, and wind turbine wiring.
‌Aerospace & Defense‌: High-reliability electrical contacts and avionics shielding.
‌Industrial Machinery‌: Lubrication system fittings, hydraulic pumps, and pneumatic controls.
‌Consumer Electronics‌: Amplifiers, power supplies, and precision instrument grounding.

 

 

 

 

 

 

 


 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 
 
 
 
 

 

 
 
 

 

 

 

●Hello Dear Customer:we have been engaged in online sales of hardware fasteners for more than 10 years, if you need a large number of or customized hardware products, please contact us, we can provide good prices and better service.
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●For the functional products in our shop, we make sure that the functions are the same as the description.
●About the product colour:Because of the different light and environment when the product is photographed, In a few instances the colour of the product may have a little colour difference with the actual colour of the product, I hope you can understand.