This Spring Washer 12 mm Golden is built to provide reliable locking support for bolts and nuts in mechanical assemblies. The washer is made from premium carbon steel and finished with a golden zinc plating for superior resistance to corrosion and wear. Designed with a split-ring profile, it ensures firm tension, preventing loosening caused by vibration or movement. Commonly used in agricultural equipment, automotive machinery, and industrial assemblies, this spring washer enhances durability and safety. Its robust build makes it suitable for long-term heavy-duty use in outdoor and indoor environments.