Copper Sealing Washers Metric - M4 M6 M8 M10 M12 M14 M16 - M60 Flat Seal Washer

Copper Sealing Washers Metric - M3 M4 M6 M8 M10 M12 M14 M16 - M60 Flat Seal Washer

 

 

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Made of red copper, tighter seal, higher heat resistance, good electrical and thermal conductivity, Strong wear-resistance and anti-corrosion, hardness, sturdy and durable.
Highly compatible with screws, nuts and bolts of same sizes, providing a greater bearing surface to reduce pressure and friction, prevent leakage, loosening, isolate or disperse pressure.
Widely applied in industrial, household, commercial appliances as well as, automotive, various electric appliance, fuel, marines, boat, hydraulic fittings etc.


【Material】Flat Washers made of copper, have a tighter seal and high heat resistance than steel and rubber washers.
【Functions】Used with nuts and bolts and provide a greater bearing surface to prevent the nut or bolt head tearing through the fastened material, flat washers are used to support and spread the load across the baring area of the bolt and nut to prevent pull through
【Wide Applications】Perfect for Electrical Connections on Household and Commercial Appliances, Automotive and Marine Uses in Which the Power Source Has a Threaded / Bolt-type Connection.

【Sturdy & Durable】: The flat copper sealing washer is made of durable copper material, which has good hardness and is not easy to deform. It is corrosion resistant and can be fastened for a long time in various environments.
【Features】: The flat copper sealing washer is widely used to reduce friction between the screws and nuts to make them more firmly fixed. Also it can distribute loads and increase the load bearing surface, providing a good connection to machinery.
【Good Choice】: Good replacement parts for use in most machinery industries, such as various pumps, sump plugs, home and office appliance, automation equipment, electronic equipment. Also can be applied in most furniture, DIY handmade projects, etc.
【Notice】: Please confirm the diameter of the flat copper sealing washers before purchasing it.

【Size】233 Sizes ,different sizes can meet your different needs.

Sizing is Inside diameter x outside diameter x thickness

(M3)3mm x 5mm x 1mm
(M3)3mm x 6mm x 1mm
(M4)4mm x 6mm x 1mm
(M4)4mm x 7mm x 1mm
(M4)4mm x 8mm x 1mm
(M4)4mm x 9mm x 1mm
(M4)4mm x 10mm x 1mm
(M4)4mm x 10mm x 2mm
(M4)4mm x 12mm x 1mm
(M4)4mm x 12mm x 2mm
(M5)5mm x 8mm x 1mm
(M5)5mm x 8mm x 1.5mm
(M5)5mm x 9mm x 1mm
(M5)5mm x 9mm x 1.5mm
(M5)5mm x 10mm x 1mm
(M5)5mm x 10mm x 2mm
(M5)5mm x 12mm x 1mm
(M5)5mm x 12mm x 2mm
(M6)6mm x 8mm x 1mm
(M6)6mm x 10mm x 1mm
(M6)6mm x 10mm x 1.5mm
(M6)6mm x 10mm x 2mm
(M6)6mm x 11mm x 2mm
(M6)6mm x 12mm x 1mm
(M6)6mm x 12mm x 1.5mm
(M6)6mm x 12mm x 2mm
(M6)6mm x 14mm x 1mm
(M6)6mm x 14mm x 1.5mm
(M6)6mm x 14mm x 2mm
(M6)6mm x 16mm x 2mm
(M6)6mm x 18mm x 1.5mm
(M6)6mm x 18mm x 2mm
(M6)6mm x 20mm x 2mm
(M7)7mm x 11mm x 1.5mm
(M7)7mm x 14mm x 1mm
(M7)7mm x 14mm x 1.5mm
(M7)7mm x 16mm x 2mm
(M7)7mm x 17mm x 2mm
(M7)7mm x 18mm x 1.5mm
(M7)7mm x 18mm x 2mm
(M8)8mm x 10mm x 1mm
(M8)8mm x 12mm x 1mm
(M8)8mm x 12mm x 1.5mm
(M8)8mm x 12mm x 2mm
(M8)8mm x 13mm x 1mm
(M8)8mm x 13mm x 1.5mm
(M8)8mm x 14mm x 1mm
(M8)8mm x 14mm x 1.5mm
(M8)8mm x 14mm x 2mm
(M8)8mm x 16mm x 1mm
(M8)8mm x 16mm x 1.2mm
(M8)8mm x 16mm x 1.5mm
(M8)8mm x 16mm x 2mm
(M8)8mm x 18mm x 1.5mm
(M8)8mm x 18mm x 2mm
(M8)8mm x 18mm x 3mm
(M8)8mm x 20mm x 1.5mm
(M8)8mm x 20mm x 2mm
(M9)9mm x 16mm x 1mm
(M9)9mm x 16mm x 1.5mm
(M9)9mm x 17mm x 1mm
(M10)10mm x 14mm x 1mm
(M10)10mm x 14mm x 1.5mm
(M10)10mm x 14mm x 2mm
(M10)10mm x 16mm x 1mm
(M10)10mm x 16mm x 1.2mm
(M10)10mm x 16mm x 1.5mm
(M10)10mm x 16mm x 2mm
(M10)10mm x 18mm x 1mm
(M10)10mm x 18mm x 1.5mm
(M10)10mm x 18mm x 2mm
(M10)10mm x 20mm x 1mm
(M10)10mm x 20mm x 1.2mm
(M10)10mm x 20mm x 1.5mm
(M10)10mm x 20mm x 2mm
(M10)10mm x 22mm x 2mm
(M11)11mm x 16mm x 1mm
(M12)12mm x 16mm x 1mm
(M12)12mm x 16mm x 1.5mm
(M12)12mm x 16mm x 2mm
(M12)12mm x 17mm x 1.5mm
(M12)12mm x 18mm x 1mm
(M12)12mm x 18mm x 1.2mm
(M12)12mm x 18mm x 1.5mm
(M12)12mm x 18mm x 2mm
(M12)12mm x 20mm x 1mm
(M12)12mm x 20mm x 1.2mm
(M12)12mm x 20mm x 1.5mm
(M12)12mm x 20mm x 2mm
(M12)12mm x 22mm x 2mm
(M12)12mm x 24mm x 1mm
(M12)12mm x 24mm x 1.5mm
(M12)12mm x 24mm x 2mm
(M13)13mm x 18mm x 1mm
(M13)13mm x 18mm x 1.5mm
(M13)13mm x 18mm x 2mm
(M13)13mm x 20mm x 1.5mm
(M13)13mm x 24mm x 2mm
(M14)14mm x 17mm x 1mm
(M14)14mm x 18mm x 1mm
(M14)14mm x 18mm x 1.5mm
(M14)14mm x 18mm x 2mm
(M14)14mm x 20mm x 1mm
(M14)14mm x 20mm x 1.2mm
(M14)14mm x 20mm x 1.5mm
(M14)14mm x 20mm x 2mm
(M14)14mm x 22mm x 1mm
(M14)14mm x 22mm x 1.5mm
(M14)14mm x 22mm x 2mm
(M14)14mm x 24mm x 2mm
(M14)14mm x 27mm x 2mm
(M14)14mm x 28mm x 2mm
(M16)16mm x 20mm x 1mm
(M16)16mm x 20mm x 2mm
(M16)16mm x 22mm x 1mm
(M16)16mm x 22mm x 1.2mm
(M16)16mm x 22mm x 1.5mm
(M16)16mm x 22mm x 2mm
(M16)16mm x 24mm x 1mm
(M16)16mm x 24mm x 1.5mm
(M16)16mm x 24mm x 2mm
(M16)16mm x 25mm x 1mm
(M16)16mm x 25mm x 1.5mm
(M16)16mm x 25mm x 2mm
(M16)16mm x 26mm x 2mm
(M16)16mm x 30mm x 2mm
(M17)17mm x 21mm x 1mm
(M17)17mm x 21mm x 1.5mm
(M17)17mm x 22mm x 1.5mm
(M17)17mm x 23mm x 1mm
(M17)17mm x 23mm x 1.5mm
(M17)17mm x 23mm x 2mm
(M17)17mm x 25mm x 1mm
(M17)17mm x 25mm x 2mm
(M17)17mm x 26mm x 2mm
(M17)17mm x 28mm x 1mm
(M18)18mm x 22mm x 1mm
(M18)18mm x 22mm x 1.5mm
(M18)18mm x 22mm x 2mm
(M18)18mm x 24mm x 1mm
(M18)18mm x 24mm x 1.2mm
(M18)18mm x 24mm x 1.5mm
(M18)18mm x 24mm x 2mm
(M18)18mm x 26mm x 2mm
(M18)18mm x 30mm x 2mm
(M18)18mm x 34mm x 2mm
(M19)19mm x 27mm x 2mm
(M20)20mm x 26mm x 1mm
(M20)20mm x 26mm x 1.5mm
(M20)20mm x 26mm x 2mm
(M20)20mm x 28mm x 1.5mm
(M20)20mm x 28mm x 2mm
(M20)20mm x 30mm x 1.5mm
(M20)20mm x 30mm x 2mm
(M20)20mm x 36mm x 2mm
(M21)21mm x 25mm x 1mm
(M21)21mm x 25mm x 1.5mm
(M21)21mm x 27mm x 1mm
(M21)21mm x 27mm x 1.5mm
(M21)21mm x 30mm x 1.5mm
(M21)21mm x 30mm x 2mm
(M22)22mm x 27mm x 1.5mm
(M22)22mm x 27mm x 2mm
(M22)22mm x 28mm x 1.5mm
(M22)22mm x 28mm x 2mm
(M22)22mm x 30mm x 1mm
(M22)22mm x 30mm x 1.5mm
(M22)22mm x 30mm x 2mm
(M22)22mm x 32mm x 2.mm
(M23)23mm x 28mm x 2mm
(M24)24mm x 30mm x 1.5mm
(M24)24mm x 30mm x 2mm
(M24)24mm x 32mm x 1.5mm
(M24)24mm x 32mm x 2mm
(M24)24mm x 34mm x 2mm
(M27)27mm x 32mm x 1mm
(M27)27mm x 32mm x 1.5mm
(M27)27mm x 32mm x 2mm
(M27)27mm x 33mm x 1.5mm
(M27)27mm x 33mm x 2mm
(M27)27mm x 34mm x 1.5mm
(M27)27mm x 35mm x 1.5mm
(M27)27mm x 35mm x 2mm
(M27)27mm x 36mm x 1mm
(M27)27mm x 36mm x 1.5mm
(M27)27mm x 36mm x 2mm
(M27)27mm x 40mm x 1.5mm
(M27)27mm x 40mm x 2mm
(M28)28mm x 33mm x 1.5mm
(M28)28mm x 34mm x 2mm
(M28)28mm x 35mm x 1.5mm
(M28)28mm x 36mm x 1.5mm
(M28)28mm x 36mm x 2mm
(M28)28mm x 40mm x 1.5mm
(M28)28mm x 40mm x 2mm
(M30)30mm x 36mm x 1.5mm
(M30)30mm x 36mm x 2mm
(M30)30mm x 38mm x 1.5mm
(M30)30mm x 38mm x 2mm
(M30)30mm x 40mm x 1.5mm
(M30)30mm x 40mm x 2mm
(M30)30mm x 40mm x 3mm
(M30)30mm x 50mm x 2mm
(M30)30mm x 50mm x 3mm
(M32)32mm x 42mm x 2mm
(M33)33mm x 40mm x 1.5mm
(M33)33mm x 40mm x 2mm
(M33)33mm x 42mm x 2mm
(M33)33mm x 42mm x 1.5mm
(M33)33mm x 48mm x 1.5mm
(M33)33mm x 48mm x 2mm
(M34)34mm x 42mm x 1.5mm
(M34)34mm x 44mm x 1.5mm
(M34)34mm x 44mm x 2mm
(M36)36mm x 44mm x 2mm
(M36)36mm x 45mm x 2mm
(M36)36mm x 46mm x 2mm
(M38)38mm x 48mm x 2mm
(M40)40mm x 45mm x 1mm
(M40)40mm x 50mm x 1mm
(M42)42mm x 50mm x 1.2mm
(M40)40mm x 50mm x 1.5mm
(M40)40mm x 50mm x 2mm
(M42)42mm x 50mm x 1.5mm
(M42)42mm x 50mm x 2mm
(M42)42mm x 52mm x 2mm
(M45)45mm x 55mm x 1mm
(M45)45mm x 55mm x 2mm
(M48)48mm x 55mm x 2mm
(M48)48mm x 58mm x 2mm
(M50)50mm x 60mm x 2mm
(M60)60mm x 68mm x 1.5mm
(M60)60mm x 68mm x 2mm

 

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◈ Please allow minor error due to manual measurement. Thank you!

◈ Due to the difference between different monitors, the picture may not reflect the actual color of the item.

 

 

 

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You can find more products in different material, type, color , sizes and shapes in our shop! If you have special needs, please contact us, we can customize according to your needs! 

 
 
 
 

♥ Hengkun Electronics Co., Ltd Founded In Now 2013. Goobetter is a fastener brand under the company's umbrella, who believes in providing top quality customer service and value for money. Our company's main products include fasteners with complete specifications, manual/electric tools, electronic products, transmission components, home hardware, various DIY products, etc.

♥ We operate under the policy of total customers satisfaction and have thousands of positive independent customer feedbacks left showing and proving the quality of our products and high service level of our company. We are proud of our feedback and will endeavour to keep our 100% score by providing a fast, efficient and pleasurable service.

♥ A high percentage of our business is from repeat business and from recommendation by our existing customers. We are making every effort to provide our customers with the best service and products, and the company promises that once our services start, we will always be responsible until the end.

♥ Good Good Good quality. Buy with confidence!
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♥ You can find more products in different material, type, color , sizes and shapes in our shop! If you have special needs, please contact us, we can customize according to your needs! 
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On Feb 9, 2026 at 02:52:50 PST, seller added the following information:

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