Yinpecly M10 Copper Flat Washer 0.39"x0.55"x0.04"(IDxODxT) Flat Ring Gasket Fitting for Screw Bolt E…See more

The Copper Flat Washer is a must-have for any DIY or professional project that requires a high-quality, corrosion-resistant washer.

With its tight seal and high heat resistance, this product is perfect for sump plugs, water, fuel, and hydraulic fittings.

The flat design makes it easy to install and provides a smooth surface that reduces friction between the screw and nut, preventing leakage and isolating pressure.

Don't settle for anything less, choose the Copper Flat Washer for your next project and experience the difference in quality and performance.