Permatex® 29000 Penetrating Grade Threadlocker Green - 6 mlFor securing threaded connections from 2 to 12 mm. Use with pre-assembled parts such as electrical connectors and set screws. Due to the low viscosity, this borger penetrates the thread. Replaces conventional locking means such as locking, spring and nylon nuts. Protects threads at the connection site against wear and rust.