Enhance the security of fastening applications with this Internal Tooth Lockwasher. Crafted from durable bronze, it offers reliable protection against loosening and vibration. With an outside diameter of .373 inches and a thickness of .021 inches, it is designed to fit snugly in #8 hole sizes. Its internal diameter of .172 inches ensures a precise fit, making it an essential component for various mechanical and industrial settings. Rest assured, this lockwasher complies with RoHS regulations, guaranteeing its environmental sustainability. Elevate the integrity of your assemblies with this high-quality hardware solution.