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The AKOSN Copper Flat Washer Assortment Set offers 325 premium red copper washers in 10 metric sizes (M5-M14), designed for superior heat resistance, corrosion protection, and secure sealing. Packaged in a durable, transparent case with a detailed size chart, this set is perfect for professionals and DIYers across automotive, industrial, marine, and household applications.







| ASIN | B0CR8XPH5P |
| Best Sellers Rank | 1,195,302 in DIY & Tools ( See Top 100 in DIY & Tools ) 7,448 in Washers |
| Brand Name | AKOSN |
| Compatible Groove Diameter | 0.2 Inches |
| Customer Reviews | 4.6 4.6 out of 5 stars (743) |
| Exterior Finish | Copper |
| Fastener Size | M20 |
| Fastener Type | Flat Washer |
| Finish Types | Copper |
| Item Dimensions | 13.6 x 9.7 x 1.8 centimetres |
| Item Thickness | 1-1.5 Millimetres |
| Manufacturer | AKOSN |
| Manufacturer Part Number | Flat_Washer_001 |
| Material Type | Copper |
| Metal | Copper |
| Number of Pieces | 325 |
| Outside Diameter | 9-20 Millimetres |
| Screw Head Style | Flat |
| Size | Copper_Washers_325Pcs |
| Thread Size | Metric |
| Unit Count | 1.0 count |
| Washer Type | Flat |
C**H
A very comprehensive kit, with plenty of each size. Bought to have a stock of washers for my side gig of working on vehicles rather than having to go to the parts store and pay way more for just 1 at a time. The value should pay off in the long run for sure. These seem to be of good quality, and same dimensions as OEM washers of the same type.
D**N
As pictured and quick postage
B**N
Nice and cheap. Don't have to spend $7 for two washers at the auto-parts store when this will last you years at less than twice the price on just 2 washers.
A**N
Thinner in every dimension than what comes with a new brake caliper, but still works fine.
L**R
Understand that 50 percent of these washers are smaller but good product.
Trustpilot
3 weeks ago
1 week ago