This Internal Tooth Lockwasher is designed to provide reliable locking and sealing for your fastening applications. Made of heavy-duty steel with a durable zinc finish coating, it offers exceptional strength and corrosion resistance. With an outside diameter of 0.501 inches and a thickness of 0.025 inches, it fits securely around a 1/4-inch hole, with an inside diameter of 0.262 inches. This high-quality washer is RoHS compliant, ensuring environmental responsibility in its production. Trust in its precision engineering to enhance the longevity and performance of your assembly.