A thread locker is an adhesive compound used to lock in place bolts, nuts, screws and threaded surfaces avoiding loosening and wearing caused by stress and vibration.
Thread locker compounds are used in many cases in substitution of traditional mechanical washers and fasteners. Most thread locker compounds are anaerobically curing chemicals that create a strong film in the gaps between the thread of the connection, locking it in place. There are different kinds of thread lockers and the main difference relies on their application, some versions cure in different times, others have maximum strength, and others vary in their temperature ranges.
A good thread locker should cover the following properties:
Thread lockers are used in different kinds of applications, from residential to very specific industrial equipment. Some of these applications include: