- Available in sizes M3, M4, M5, M6, M8, M10, M12, M14, M16, M18, offering a variety of choices to suit different fastening needs. - Includes 2 to 30 pieces of brass spring lock washers and copper washers, with 2 specific M18 pieces for larger applications. - Brass spring lock washers are engineered for reliable locking and anti-loosening capabilities, ensuring your assemblies remain secure under vibration and stress. - Copper washers provide enhanced conductivity and additional protection, making them ideal for electrical applications or environments where corrosion is a concern. - Perfect for a wide range of machinery and equipment assembly, these washers are essential for any project requiring secure fastening. Applications: - Use in automotive assembly to prevent loosening caused by engine vibrations. - Ideal for electrical connections, where copper washers enhance conductivity and prevent corrosion. - Suitable for general machinery assembly, ensuring parts remain tightly secured during operation.