Whether you need metric measurement split lock washers or U.S. measurements, we at Monster Bolts can help! We offer both because we know that you need an exact size match. These stainless steel split lock washers were sized to match the screw size as well, so select the washers with the same measurements as the screws you will be using. When you are in need of bolts, washers, screws, and other parts you need to rely on for your project, then it’s time to shop Monster Bolts. Contact us today to learn more.