This stainless steel Internal Tooth Lockwasher is designed for secure fastening in #6 hole sizes. With an outside diameter of .312 inches and a thickness of .02 inches, it provides reliable locking and tension distribution in mechanical assemblies. Its precise .146 inch inside diameter ensures a snug fit, enhancing the overall stability of the connection. Compliant with RoHS regulations, it offers both performance and environmental responsibility. Perfect for a wide range of industrial and DIY applications, this lockwasher is an essential component for maintaining the integrity of fastened components.