Enhance the security of your fastening applications with this Internal Tooth Lockwasher. Crafted from durable steel with a protective zinc coating, it offers reliable performance in various environments. The washer features an outside diameter of 4.5mm and a thickness of 0.3mm, ensuring a snug and secure fit. With an inside diameter of 2.2mm and a hole size of M2, it is suitable for a wide range of industrial and DIY projects. Rest assured of its quality, as it is RoHS compliant. Upgrade your fastening system with this essential component for optimal stability and peace of mind.