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18-8 Stainless Steel Split Lock WasherHillman Item #830654
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.