This Internal Tooth Lockwasher is an essential component for secure fastening applications. Made of durable steel with a protective zinc coating, it ensures long-lasting performance even in demanding environments. With an outside diameter of 6mm and a thickness of 0.4mm, it provides reliable locking and vibration resistance. Designed for metric systems, it features an inside diameter of 3.2mm and is compatible with M3 hole sizes. Rest assured, this lockwasher is RoHS compliant, meeting strict environmental standards. Trust in its quality for effective assembly and maintenance tasks.