The M5 External Serrated Lock Washer, conforming to DIN 6798A standards, ensures secure fastening by providing enhanced grip and resistance to loosening under vibration. Crafted from high-quality materials, this washer is ideal for various industrial applications, offering reliable performance and durability. Its serrated design increases friction, making it perfect for maintaining tension in bolted assemblies. Enhance your project's stability and safety with this essential component, engineered for excellence and precision in demanding environments.