Hillman Metric Split Lock Washers, Zinc-Plated, Assorted Sizes

These split lock washers are engineered for uniform load distribution, making them perfect for any indoor or outdoor project. Designed for situations where loosening from corrosion or vibration is a risk, split lock washers prevent nuts and bolts from coming loose. The split ends lock into mating surfaces, providing a locking feature when tightened beneath a nut. This class 8 metric series features an M5 inner diameter, ensuring fasteners stay secure for the long haul.