AKOSN 325 Pcs Copper Flat Washers Assortment Kit

This versatile assortment kit includes 325 copper flat washers in 10 sizes (M5-M14), perfect for various fastening and sealing needs in DIY, repair, and industrial applications. Crafted from premium red copper, these washers offer excellent heat resistance, electrical conductivity, and corrosion resistance for durable performance. They are designed for secure compatibility with screws, nuts, and bolts, effectively distributing pressure, reducing friction, and preventing leaks. The kit comes conveniently organized in a transparent storage box with a size chart. Ideal for industrial, automotive, marine, hydraulic, and household uses, including electrical appliances, machinery, and plumbing.