Parson Adhesives offers SONLOK Thread Lockers, which are easy to apply liquids that can convert ordinary fasteners like screws and bolts into self-locking and self-sealing fasteners. Thread lockers provide high strength even in high temperatures, seal many kinds of threads, and are low cost but highly efficient solutions. Parson Adhesives can be contacted at their headquarters in Rochester, Michigan or online at their website for more details.