Enhance the security of your assemblies with the M5 Internal Serrated Lock Washer, compliant with DIN 6798J standards. This precision-engineered component ensures a firm grip, reducing the risk of loosening under vibration. Ideal for various industrial applications, its serrated design provides optimal locking performance. Crafted from durable materials, it offers long-lasting reliability and peace of mind. Perfect for maintaining structural integrity, this washer is a crucial addition to any toolkit, ensuring safety and efficiency in your projects.