70Pcs Brass Flat Washer, M4 4 X 9 X 0.5Mm Fenders Washers Assortment

What is this?This M4 flat washer is made of Brass, with its core function of dispersing pressure, protecting surfaces, and enhancing connection stability. It fill for small gaps between parts through gasket thickness, making connections tighter. It is mainly used in mechanical manufacturing, automotive industry, electronic equipment, and more. What will I get?The metal washers we provide here is in size of:Washers for screws: M4;Outer Diameter: 9mm/0.35 Inch;Inner Diameter: 4mm/0.16 Inch;Height: 0.5mm;Material: Brass;Color: Gold;Material: Brass;Package Included: 70Pcs x screw washers. Are there any advantages of the product?This fence washer is made of brass material with a smooth surface, which has high strength, wear resistance, corrosion resistance, oxidation resistance, and good thermal and electrical conductivity. Suitable for indoor and outdoor use. How to use it?Select the flat washer of the corresponding screw model, place the flat washer around the end of the bolt or screw, and then thread it through the component to be connected. Use tools such as wrenches, screwdrivers, etc. to tighten the nut onto the bolt and secure it in place. Flat washers will be distributed on the connection surface to provide protection and support. What should I notice?Due to manual measurement, there may be a 1-2mm error in the product.