Loctite 233577 is a high-strength anaerobic threadlocker specifically formulated for permanently locking and sealing threaded fasteners. It cures in the absence of air and upon contact with metal surfaces, providing excellent resistance to vibration, shock, and leakage. Ideal for heavy-duty industrial applications, Loctite 233577 ensures a secure and durable bond, preventing loosening and enhancing the stability of assemblies.