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Copper Washer Gasket Nut and Bolt Set Flat Ring Seal Assortment Kit with Box //M8/M10/M12/M14 for Sump Plugs

Copper Washer Gasket Nut and Bolt Set Flat Ring Seal Assortment Kit with Box //M8/M10/M12/M14 for Sump Plugs

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Specifications

Brand Name
NONE
DIY Supplies
Metalworking
Model Number
0015
Origin
Mainland China
Thickness(mm)
0.8MM-1.5MM
High-concerned chemical
None
Material
Copper
Choice
yes

Product Description

• Versatile size options :This set includes washers in four different sizes (M8/M10/M12/M14), making it suitable for a variety of applications.


• Durable material :Made from high-quality copper, these washers are built to last and withstand harsh conditions.


• Easy to install :The flat ring design of these washers makes them easy to install and requires no special tools or expertise.


• Prevents leaks :The seal assortment kit includes washers that act as gaskets, preventing leaks and ensuring a secure fit.


Description:
100% brand new and high quality.
Top quality copper material, melting point up to 1083
Good electrical conductivity and thermal conductivity
All contained in a compact and see through compartmented plastic case
Great for sump plugs, water, fuel and hydraulic fittings
A sump plug washer set to suit all types of engines be it car, marine, generators, machinery and plant
Specifications:
Material: Copper
Color: as shown
Size:200pcs(included 9 types):
#1 : 9mm*1mm (30pcs)
#2 : 10mm*1mm (30pcs)
#3 : 12mm*1mm (20pcs)
#4 M8: 12mm*1mm (20pcs)
#5 M8: 14mm*1mm (20pcs)
#6 M10: 14mm*1mm (20pcs)
#7 M12: 16mm*1mm (20pcs)
#8 M12: 18mm*1.5mm (20pcs)
#9 M14: 18mm*1mm (20pcs)

Size:100pcs(included 9 types):
#1 : 9mm*1mm (15pcs)
#2 : 10mm*1mm (15pcs)
#3 : 12mm*1mm (10pcs)
#4 M8: 12mm*1mm (10pcs)
#5 M8: 14mm*1mm (10pcs)
#6 M10: 14mm*1mm (10pcs)
#7 M12: 16mm*1mm (10pcs)
#8 M12: 18mm*1.5mm (10pcs)
#9 M14: 18mm*1mm (10pcs)


Pros & Cons

Pros

  • Four versatile size options to fit most standard fastening needs
  • High-quality copper material for corrosion-resistant, long-lasting performance
  • Flat ring design for a tight, reliable seal
  • Included storage box for easy organization and portability

Cons

  • Only includes four specific sizes, no additional sizes available
  • No specifications for use in high-temperature or high-pressure applications
  • No bulk ordering options listed for larger quantities
  • No installation instructions included with the kit

Common Questions

What sizes of copper washers are included in this kit?

The kit includes M8, M10, M12, and M14 sized copper washers.

What material are these washers made from?

They are made from high-quality copper for durability and resistance to harsh conditions.

What are these copper washers typically used for?

They are ideal for sump plugs, metalworking, and other fastening applications that require a flat ring seal.

What thickness range do these washers cover?

Their thickness ranges from 0.8mm to 1.5mm.

Does this washer kit come with storage?

Yes, the set includes a storage box for organized storage of all washer sizes.

Product information last updated on November 22, 2025