Product Details:Color: Silver ToneMaterial: 304 Stainless SteelFits Screw Size: M4Total Size: 10mm x 10mm x 1mm / 0.39" x 0.39" x 0.04"(L*W*T)Package Content: 20pcs x Square Flat WasherMaterial - The square flat washer is made of durable 304 stainless steel, which has higher hardness, corrosion resistance, rust resistance and can be used for a long time.Feature - The flat washer is widely used to reduce friction between the screws and nuts to make them more firmly fixed. Also, it can distribute loads and increase the load-bearing surface, providing a good connection to machinery. Application - Good replacement parts for use in most machinery industries, such as various pumps, sump plugs, home and office appliance, automation equipment, electronic equipment. Also can be applied in most furniture, DIY handmade projects, etc.
