Intended for secure fastening applications, this Internal Tooth Lockwasher is a reliable component for ensuring a tight grip. Crafted from durable stainless steel with a passivated finish, it offers enhanced corrosion resistance and longevity. With an outside diameter of .312 inches and a thickness of .02 inches, it is designed to fit snugly in place. The inside diameter of .146 inches accommodates a #6 hole size, providing compatibility with a range of fasteners. Meeting RoHS compliance standards, this lockwasher is not only high-performing but also environmentally friendly.