Enhance the security of your fastening applications with our Internal Tooth Lockwasher. Crafted from durable 410 Stainless Steel, this washer ensures reliable performance in demanding environments. With an outside diameter of 1.058 inches and a thickness of .046 inches, it provides a secure fit for your components. The precise inside diameter of .652 inches, designed for a 5/8-inch hole, guarantees a snug and stable connection. Rest assured, this essential hardware is fully compliant with RoHS regulations, meeting strict environmental standards. Upgrade your assembly process with this high-quality Internal Tooth Lockwasher for peace of mind in every installation.