Ensure secure fastening with this External Tooth Lock Washer. Crafted from durable stainless steel, it offers reliable protection against loosening due to vibration. Compliant with DIN 6797A standards, this washer features an outside diameter of 20.5mm and a thickness of 1mm, making it suitable for a range of applications. The precisely engineered external teeth provide enhanced grip, while the 13mm inside diameter and M12 hole size ensure a perfect fit. With RoHS compliance, you can trust in both the quality and environmental responsibility of this essential component.