Ensure secure fastening with this Internal Tooth Lockwasher. Made of durable steel with a zinc finish coating, it offers reliable protection against loosening in high-stress applications. With an outside diameter of 11mm and a thickness of 0.7mm, it is designed for precise fitting. The metric system of measurement, along with an inside diameter of 6.4mm and hole size of M6, ensures compatibility with a variety of components. Additionally, it is RoHS compliant, making it environmentally friendly. Trust this lockwasher to provide essential locking functionality in your assemblies.