⭐Our flat washers are made of high quality 304 stainless steel, they are easy to handle and very temperature resistant. ⭐These assorted metal washers have been electroplated, very wear-resistant, and stored in a plastic container, making it easy to separate washers of different sizes. ⭐Assorted metal washers, m2, m2.5, m3, m4, m5, m6, m8, m10 flat washer set fit different mechanical repair or electrical connection work. ⭐Due to the material and process of the thread, the bearing surface of bolts and other fasteners is not sufficient, therefore flat washers are used to reduce the compressive stress of the thread surface.backing to protect the surface of the connected part, we also used them to reduce friction, prevent leakage, insulate, prevent loosening or disperse pressure. ⭐From the functions mentioned above, we would know that flat washers are widely used in household for furniture making, automobile, machinery, factory, marine, etc.for mechanical repair work or electrical connections, applicable to various fields.