Enhance the security of your fastening applications with this Internal Tooth Lockwasher. Crafted from durable steel with a protective zinc coating, this essential hardware component ensures reliable performance. Featuring an outside diameter of .501 inches and a thickness of .025 inches, it is designed for precision and efficiency. With an inside diameter of .262 inches and a hole size of 1/4 inch, it is compatible with a variety of bolts and screws. Rest assured that this lockwasher complies with RoHS regulations, making it a sustainable choice for your projects. Elevate your assembly processes with this high-quality, dependable solution.