20/50pcs M6 M8 M10 M12 M14 M16 M18 M20Solid Copper Washer Flat Ring Gasket Spacer Washers Fastener Hardware 10x14x1MM Mulit-Size
You will be redirected to AliExpress to complete your purchase
Specifications
- Brand Name
- NONE
- DIY Supplies
- Metalworking
- Model Number
- Flat Washer
- Origin
- Mainland China
- Material
- Copper, Copper
- Thickness(mm)
- none
- High-concerned chemical
- None
- Certification
- None
- is_customized
- Yes
- Quantity
- 20pcs
Product Description
20/50pcs M6 M8 M10 M12 M14 M16 M18 M19 M20 M22 M24 M Solid Copper Washer Flat Ring Gasket Spacer Washers Fastener Hardware 10x14x1MM Mulit-Size
Description:
Material: Copper
Color: Copper
Type: Copper washer
Quantity: 20/50PCS
Size: 10*14*1mm /6x10x1 mm/8x12x1 mm/12x16x1 mm/14x20x1mm/M10x16x1mm
Features:
Brand New and High Quality,high temperature resistant, corrosion resistance.
20Pcs solid copper sump plug washer set.
Ideal electrical conductivity and thermal conductivity.
Ideal for sump plugs, water, fuel and hydraulic fittings.
Suit all types of engines: Car, Marine, Generators, Machinery and Plant.
Package Included:
Copper Washers *20/50/Pack
Pros & Cons
Pros
- Solid copper construction offers excellent corrosion resistance and long-lasting durability
- Mixed metric size pack covers a wide range of common fastening project needs
- Versatile use cases including gaskets, spacers, and oil seal fittings
- Custom size options available for specific project requirements
Cons
- Thickness specifications are not clearly detailed, leading to uncertainty for buyers
- No included storage case, making it difficult to organize mixed-size washers
- Only available in 1mm thickness for all listed sizes, limiting thicker gasket use
- No brand certifications, which may be a concern for commercial or industrial buyers
Common Questions
What material are these washers made from?
They are made from solid copper for excellent corrosion resistance and durable fastening.
What metric sizes and quantities are included in this pack?
The pack includes mixed sizes M6, M8, M10, M12, M14, M16, M18, M20, with either 20pcs or 50pcs per order and 1mm thickness.
What fastening projects are these washers suitable for?
They work as flat ring gaskets, spacers, and sump plug oil seal fittings for mechanical and hardware projects.
What key functions do these copper washers serve?
They prevent friction, distribute load, and create a tight seal between fasteners and surfaces.
Does this pack include storage or organization tools?
No, the pack ships as a mixed bag of washers with no included storage case or labels.
Product information last updated on November 22, 2025