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This 325-piece assortment of premium red copper flat crush washers covers 10 metric sizes (M5 to M14), delivering durable, corrosion-resistant sealing solutions for automotive, industrial, and household applications. Packaged in a sturdy, transparent organizer with a size chart, it offers professional-grade reliability and convenience for every repair or DIY project.







| ASIN | B0CR8XPH5P |
| Best Sellers Rank | #1,515 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #5 in Flat Washers |
| Brand | AKOSN |
| Compatible Groove Diameter | 0.2 Inches |
| Customer Reviews | 4.6 4.6 out of 5 stars (762) |
| Exterior Finish | Copper |
| Fastener Size | M5, M6, M8, M10, M12, M14 |
| Fastener Type | Flat Washer |
| Finish Types | Copper |
| Item Dimensions | 5.35 x 3.81 x 0.7 inches |
| Item Thickness | 1-1.5 Millimeters |
| Manufacturer | AKOSN |
| Material Type | Copper |
| Metal Type | Copper |
| Number Of Items | 1 |
| Number of Pieces | 325 |
| Outside Diameter | 9-20 Millimeters |
| Part Number | Flat_Washer_001 |
| Screw Head Style | Flat |
| Set Name | Premium Copper Metric Sealing Crush Washers Assortment Kit |
| Size Name | Copper_Washers_325Pcs |
| Thread Size | Metric |
| Unit Count | 1.0 Count |
| Washer Type | Flat |
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