Nylock Nut, yomwe imadziwikanso kuti mtedza wotsekera, mtedza wotsekemera, mtedza wodziletsa, mtedza wokhazikika, mtedza wolimba womwe umakanika mtedza, ndi mtedza womwe umatsutsa kumasuka pansi pakanjenjemera ndi makokedwe. Mtedza wonyezimira komanso mtedza womwe ulipo ndi wamtundu winawake pomwe gawo lina la mtedza limasokonekera kwambiri kuti litseke.