Enhance the security of your fastening systems with our External Tooth Lock Washer. Crafted from durable stainless steel, this washer is designed to provide reliable locking performance. Compliant with DIN 6798A specifications, it features an outside diameter of 8mm and a thickness of 0.5mm, ensuring a precise fit. The external tooth design offers increased grip, making it ideal for applications where vibration or movement may loosen fasteners. With an inside diameter of 4.3mm and a hole size of M4, this washer is compatible with a range of bolts and screws. Rest assured, it meets RoHS compliance standards, making it a sustainable choice for your projects. Upgrade your locking mechanisms with this essential component.