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🔧 Seal the deal with copper precision – don’t let leaks hold you back!
This Magicave Copper Washers Kit includes 330 flat washers in 12 metric sizes (M5 to M20), crafted from pure copper for exceptional corrosion resistance and thermal conductivity. Engineered to withstand heat up to 1083°C, these crush washers provide reliable, leak-proof seals across automotive, marine, plumbing, and industrial applications. Packaged in a durable, compartmentalized box, this kit keeps your workspace organized and your repairs flawless.
| Asin | B0DJPB3821 |
| Best Sellers Rank | 6,488 in DIY & Tools (See Top 100 in DIY & Tools) 32 in Washers |
| Brand Name | Magicave |
| Colour | Copper Washers-330Pcs |
| Country Of Origin | China |
| Customer Reviews | 4.6 4.6 out of 5 stars (483) 4.6 out of 5 stars |
| Exterior Finish | Copper |
| Fastener Size | M5 M6 M8 M10 M12 M14 M16 M20 |
| Fastener Type | flat |
| Finish Types | Glossy |
| Item Thickness | 0.35 Millimetres |
| Item Weight | 227 g |
| Manufacturer | Magicave |
| Manufacturer Part Number | M5 M6 M8 M10 M12 M14 M16 M20 |
| Material Type | Copper |
| Metal | Copper |
| Model Number | Copper Washers |
| Number Of Items | 330 |
| Number Of Packs | 1 |
| Number Of Pieces | 330 |
| Product Warranty | 2 year |
| Screw Head Style | Flat |
| Set Name | Copper Washers Kit (M5-M20, 330pcs) |
| Size | M5, M6, M8, M10, M12, M14, M16, M20 |
| Thread Size | M5, M6, M8, M10, M12, M14, M16, M20 |
| Unit Count | 330.0 count |
| Washer Compatibility | metric bolts, metric screws |
| Washer Type | Flat |
User
Squish them washers!!!👌👌👌
Won't be struggling to find copper washers for a while there a fact, good quality, fast shipping bargain.
User
Nice!
Perfect, as described and all sizes possibly needed.
User
Washers
Good product
User
Goos set to have around teh garage
Good set too have available in the garage and I use them as my "get me out of trouble' set however when doing car brakes or sump plugs I dont rely on these as they are only 1mm thick. However that's no fault as that is the description of the product.
User
Good kit
Used a few from the kit already, thin like others said but haven’t had any leaks yet so they work.
User
Washers
These work as described , washers
User
Exact Match to OEM Crush Washers
I use these thin copper washers as crush washers on both my wife's and my motorcycles oil drain plugs with every oil change, and on the lower water pump bolts with every coolant change. These copper washers exactly match the OEM washers. The assortment is extensive, and a great value for the money. I'm very happy with this purchase.
User
Great value
Great value product. Lots of sizes for various bolts or projects. Thinner than other brands. The price was great for the number of pieces enclosed.
User
Good
Good assortment of copper washers.
Trustpilot
4 days ago
1 week ago