Carbon Steel

E-Z LOK carbon steel threaded inserts are designed to repair damaged threads or reinforce threaded holes in cast iron, aluminum, magnesium, and other soft metals. They are easy to install—simply drill a hole, tap it, and thread in the insert like an ordinary fastener. Machined from solid carbon steel for extra strength, these threaded inserts feature special, pre-applied adhesive to provide self-locking vibration resistance.