Enhance the security of your fastening applications with this durable Internal Tooth Lockwasher. Crafted from high-quality steel and featuring a corrosion-resistant Yellow Zinc finish coating, this washer ensures reliable performance in a variety of environments. With an outside diameter of .501 inches and a thickness of .025 inches, it provides a precise fit for your 1/4-inch hole size. The internal diameter of .262 inches guarantees a snug and secure hold, making it ideal for use in mechanical and industrial settings. Rest assured of its quality as it is meticulously designed for optimal performance.