Ensure optimal fastening with this Internal Tooth Lockwasher, a crucial component for secure attachment in mechanical assemblies. Crafted from durable steel with a yellow zinc finish coating, this lockwasher guarantees long-lasting performance even in demanding environments. With an outside diameter of 6 mm and a thickness of .4 mm, it is designed to provide a tight grip and prevent loosening of fasteners. The metric system of measurement, along with an inside diameter of 3.2 mm and a hole size of M3, ensures compatibility with a range of components. Rest assured of its quality as it meets RoHS compliance standards, making it environmentally friendly. Upgrade your fastening solutions with this reliable Internal Tooth Lockwasher.