Enhance the security of your fastening applications with our External Tooth Lock Washer. Crafted from durable stainless steel, this washer features a precise DIN 6797A specification, ensuring reliable performance. With an outside diameter of 8mm and a thickness of .5mm, it is perfect for use in metric systems. The toothed design provides a tight grip, preventing loosening due to vibrations or movement. Its 4.3mm inside diameter and M4 hole size make it suitable for various bolts and screws. Rest assured of its quality and compliance with RoHS standards, making it a safe and eco-friendly choice for your projects. Perfect for industrial or DIY use, this washer is a essential component for maintaining the integrity of your assemblies.