Hillman 0830672 Split Lock Washer, 7/16-14'' Engineered to provide more uniform load distribution, split lock washers are great for any indoor/outdoor project. Ideal for situations where potential loosening from corrosion or vibration is a concern, split lock washers are used to prevent nuts and bolts from coming loose. These fasteners contain split ends that help "lock" into the mating material, thus providing a locking feature when tightened beneath a nut. The 18-8 stainless steel finish offers good corrosion resistance. Use with treated lumber in applications with like nuts and bolts of similar diameter. *; ; Brand Name: Hillman Diameter: 7/16 in. Material: Stainless Steel Product Type: Split Lock Washer Number in Package: 50 pk Packaging Type: Boxed Unit of Measurement: Metric Features Stainless steel Boxed of 50 7/16-14" USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.