Enhance the security and stability of your fastening applications with our Internal Tooth Lockwasher. Crafted from durable stainless steel, this essential hardware component features a precise outside diameter of .501 inches and a thickness of .025 inches. Its internal diameter of .262 inches and hole size of 1/4 inch ensure a perfect fit for various bolt sizes. Designed for optimal performance, this RoHS-compliant lockwasher guarantees reliable and long-lasting use in any industrial or DIY project. Trust in its ability to prevent loosening and maintain tight connections, providing peace of mind in your assemblies.