






🔩 Seal the deal with copper precision – never compromise on reliability!
This 325-piece assortment of premium copper flat sealing washers offers 10 metric sizes (M5 to M14) designed for superior sealing, heat resistance, and corrosion protection. Packaged in a durable transparent box with a size guide, these washers provide a perfect fit for automotive, motorcycle, marine, and industrial applications, ensuring leak-proof, long-lasting performance.







| Material | Copper |
| Outside Diameter | 0.35, 0.47, 0.55, 0.63, 0.71, 0.78 Inches |
| Washer Type | Flat |
| Exterior Finish | Copper |
| Fastener Size | M5, M6, M8, M10, M12, M14 |
| Item Thickness | 0.04, 0.06 Inches |
| Size | Copper_Washers_325Pcs |
| Metal Type | Copper |
| Brand | AKOSN |
| Number of Pieces | 325 |
| Item dimensions L x W x H | 13.6 x 9.7 x 1.8 Centimeters |
| Manufacturer | AKOSN |
| Country of Origin | USA |
| Number of Memory Sticks | 1 |
| Item Weight | 272 g |
| Product Dimensions | 13.59 x 9.68 x 1.78 cm; 272 g |
| Item part number | Flat_Washer_001 |
| Item Height | 1.78 Centimeters |
| Item Width | 9.68 Centimeters |
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