Ensure your components stay securely fastened with this Internal Tooth Lockwasher. Crafted from durable stainless steel, it provides reliable strength and corrosion resistance. The precise design features an outside diameter of .278 inches and a thickness of .017 inches, making it ideal for #5 hole sizes. With an inside diameter of .133 inches, it offers a snug fit for optimal functionality. Rest assured, this lockwasher is fully compliant with RoHS regulations, guaranteeing its environmental sustainability. Upgrade your assembly process with this essential component.