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Item #:
103478061
330 Pcs Copper Washers Assortment Kit 12 Sizes Flat Sealing Crush Washers (M5-M20) for Automotive, Plumbing, and Mechanical Use
90% of respondents would recommend this to a friend
Item #:
103478061
GBP 14
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What Stands Out
Comprehensive Assortment
Includes 330 pieces across 12 sizes (M5-M20), providing a complete solution for automotive, plumbing, and mechanical projects, ensuring versatility and ease of use.
Durable Copper Material
Made from high-quality copper, these washers offer excellent sealing properties and corrosion resistance, enhancing the longevity of repairs and installations.
User-Friendly Kit
Organized in a sturdy storage case, this kit allows for quick access and easy sorting, saving time during projects and eliminating the hassle of searching for the right size.
Product Details
| Outside Diameter | M5, M6, M8, M10, M12, M14, M16, M20 Inches (12.7 cm) |
| Fastener Size | M5, M6, M8, M10, M12, M14, M16, M20 |
| Item Thickness | 1 Millimeters |
| Size Name | M5, M6, M8, M10, M12, M14, M16, M20 |
| Item Weight | 8 ounces (226.8 grams) |
| Number of Pieces | 330 |
| Item Diameter | 5 Millimeters |
| Material Type | Copper |
| Exterior Finish | Plain |
| Metal Type | Copper |
| Finish Types | Plain |
| Washer Type | Flat |
| Washer Compatibility | metric bolts |
| Grade Rating | Heavy Duty |
| Screw Head Style | Flat |
| Fastener Type | Washer |
| Thread Size | M5, M6, M8, M10, M12, M14, M16, M20 |
| Brand | Magicave |
| Manufacturer | Magicave |
| Number Of Items | 330 |
| Set Name | 330 Pcs Copper Washers Assortment Kit |
| Part Number | M5 M6 M8 M10 M12 M14 M16 M20 |
| Model | Copper Washers |
| Unit Count | 330.0 Count |
| Color | Copper Washers-330Pcs |
| Material | Copper |
Who Should Buy?
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Automotive Mechanics
Ideal for automotive repair tasks needing various sealing solutions, ensuring reliable performance in fluid applications.
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Plumbing Professionals
Perfect for plumbers needing copper washers for leak-proof seals in various fittings and fixtures, enhancing reliability.
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DIY Enthusiasts
Great for DIY projects requiring various sizes of washers for repairs and assembly, providing versatility in applications.
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Specialized Applications
Not suitable for specialized or high-pressure applications that require specific materials or sizes beyond standard copper.
Product Description
330 Pcs Copper Washers Assortment Kit 12 Sizes Flat Sealing Crush Washers (M5-M20) for Automotive, Plumbing, and Mechanical Use
Have any Query? Chat with us
Customer Questions & Answers
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Question:
What are copper washers used for?
Answer: Copper washers are primarily used to create a tight seal between surfaces, preventing leaks in plumbing, automotive, and various machinery applications. Their malleable nature allows them to conform to irregularities in surfaces, ensuring an effective seal. For instance, in a plumbing installation, copper washers are ideal for ensuring that faucet connections remain watertight, thereby preventing leaks. -
Question:
What sizes are included in the 330 Pieces Copper Washers kit?
Answer: The kit includes 12 different sizes of copper washers, specifically M5, M6, M8, M10, M12, M14, and M16. This diverse range ensures compatibility with a variety of applications, whether you're working on automotive repairs, plumbing installations, or machinery maintenance. Having multiple sizes available allows for versatility in ensuring a perfect fit across different projects. -
Question:
Can I use these copper washers for high-temperature applications?
Answer: Yes, copper washers are suitable for high-temperature applications due to their excellent thermal conductivity properties. They are often used in automotive engines and exhaust systems, where temperatures can reach significant levels. The washers can withstand heat while maintaining their integrity, making them a reliable choice for heavy-duty tasks. -
Question:
Are these copper washers reusable?
Answer: Copper washers can be reused in some cases, particularly if they are not deformed or damaged after the initial installation. They can often be compressed and re-flattened, but for the best seal and integrity, it is usually recommended to replace them when removing connections. This is particularly relevant in automotive applications where optimal performance is critical. -
Question:
How do I choose the right size copper washer?
Answer: Choosing the right size copper washer requires measuring the diameter of the bolt or pipe to which it will be applied. The washer's inner diameter should match the bolt size, while the outer diameter should be adequate to cover the surrounding area. Using a sizing chart or referring to the specific requirements of your project can assist in making the right choice. -
Question:
What thickness are the washers in this kit?
Answer: The thickness of the copper washers in this kit typically ranges between 0.5mm to 1.5mm, which is standard for ensuring durability and effective sealing. This variance allows you to choose the appropriate thickness based on your application requirements, such as heavy-duty machinery, plumbing, or light mechanical work. -
Question:
Can these copper washers be used with other materials?
Answer: Absolutely, copper washers can be used effectively with a variety of materials including steel, aluminum, and plastic. When used correctly, they help to prevent galling and provide an excellent seal, which is especially important in mixed-material applications like plumbing fittings where different metals are connected. -
Question:
Will these washers corrode in wet environments?
Answer: Copper washers are resistant to corrosion in moist environments, but they can oxidize over time. The natural patina that develops can actually enhance their sealing properties. However, for prolonged exposure to harsh corrosive conditions, it's essential to assess the environment and consider additional protective measures. -
Question:
How should I store these copper washers?
Answer: To preserve the integrity of copper washers, store them in a cool, dry place away from direct sunlight and moisture. Consider placing them in a sealed container or organizer to prevent oxidation. Proper storage not only maintains their usability but also prevents potential damage from exposure to environmental elements. -
Question:
Where can I buy the 330 Pieces Copper Washers Assortment Kit in Guernsey?
Answer: You can purchase the 330 Pieces Copper Washers, Crush Washer, and Premium Copper Metric Flat Washers Assortment Kit from Ubuy in Guernsey. Ubuy offers a wide selection of tools and components, making it convenient for you to find the specific washer kit suitable for your projects.
Magicave Flat Washers Editorial Review
The 330 Pieces 12 Sizes Copper Washers Assortment Kit has received overwhelmingly positive feedback from users, who appreciate the product’s quality, versatility, and ease of use. Customers highlight the exceptional Construction of the washers made from premium copper, which is known for its durability and corrosion resistance. Importantly, these washers deliver a reliable, leak-free seal, making them an excellent choice for applications involving oil drain plugs, plumbing, and various mechanical tasks. The assortment kit includes a wide range of sizes (from M5 to M20), allowing users to tackle a diverse array of projects without the hassle of sourcing individual washers. Many reviews commend the thoughtfully organized packaging, which helps users quickly locate the necessary size without having to sift through a disordered collection. Users Consistently note the washers' effectiveness in creating a secure seal under pressure, making them essential tools for both DIY enthusiasts and professionals. The variety of sizes available enhances the convenience factor, ensuring that users can handle multiple projects with ease. Overall, this product is regarded as an economical investment due to its affordable price for the quantity and quality offered, making it a go-to choice for anyone involved in mechanical, plumbing, or automotive work. **
Customer Reviews & Ratings
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Pros
- High-quality copper material ensures durability and corrosion resistance.
- Provides reliable, leak-free sealing for critical applications.
- 12 different sizes cater to a wide range of projects.
- Neatly organized packaging for easy access and identification.
- Excellent value for money; cost-effective solution for various needs.
Cons
- Limited to copper; some might prefer alternative materials for specific applications.
Platform Trust & Buyer Confidence
MA
Mohammad
Verified buyer
“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”
23 July 2026 · via Trustpilot
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Chitra
Verified buyer
“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”
22-Jul-26 · via Trustpilot
K
kund
Verified buyer
“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”
23-Jul-26 · via Trustpilot
OO
Onesi
Verified buyer
“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”
22 July 2026 · via Trustpilot
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SAO JOHN
Verified buyer
“Ubuy is a great online platform to buy stuff. Reliable, fast delivery time and great value for money. I've been using Ubuy online shopping platform for three years now and will continue to do so.”
23 July 2026 · via Trustpilot
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Important information
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GBP 14
Order now and get it around Thursday, September 10
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Features & Benefits
- Comprehensive kit with 330 copper washers in 12 sizes.
- Crafted from high-quality copper for durability and resistance.
- Minimizes heat and friction for leak-proof seals.
- Ideal for automotive repairs, industrial tasks, and DIY projects.
- Conveniently packaged for easy access and organization.
- Perfect for crucial applications like oil drain plug seals.
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