70pcs Brass Flat Metal Washers Kit M4 Copper Washers for Bolts Screws Repair 4mm ID 9mm OD 0.5mm Thickness for Repair, Construction

This metal plate washer M4 is made of brass, with its main function to disperse pressure, protect surfaces, and improve the stability of the connection. It fills in small gaps between parts thanks to the thickness of the joint, making connections tighter. Brass washers are mainly used in mechanical manufacturing, the automotive industry, electronic equipment, and more. The metal washers we provide here have the following dimensions: Washers for screws: M4; Outer diameter: 9mm/0.35 inch; Inner diameter: 4mm/0.16 inch; Height: 0.5mm; Material: Brass; Color: Gold; Package contents: 70Pcs x washers for screws. This metal washer is made of brass with a smooth surface, offering high strength, good resistance to wear, corrosion, oxidation, as well as good thermal and electrical conductivity. Suitable for indoor and outdoor use. Select the flat washer corresponding to the screw model, place the flat washer around the end of the bolt or screw, and then pass it through the component to be connected. Use tools such as wrenches, screwdrivers, etc. to tighten the nut on the bolt and fix it in place. Flat washers will be distributed over the connection surface to provide protection and support. Due to manual measurement, brass flat washer may have an error of 1-2mm.