The M4 X 6 X 0.2mm copper washer is an essential fastening element used in various applications. These washers are available in a convenient pack of 10 pieces and provide a reliable solution for distributing pressure and preventing damage to surfaces. With an inner diameter of 4 mm and an outer diameter of 6 mm, they are specifically designed for M4 threads. The material thickness of 0.2 mm ensures an optimal balance between flexibility and stability. Copper as a material offers excellent corrosion resistance and electrical conductivity, making these washers particularly suitable for applications in electronics and mechanical engineering. The use of washers is crucial for extending the lifespan of screw connections and ensuring the safety of constructions. These washers are a valuable addition to any toolbox and should not be missing in any professional or private work environment.