Permatex Medium Strength Threadlocker

Permatex Medium-Strength Threadlocker Blue is ideal for all nut and bolt applications ranging from 6mm to 20mm (1/4″ to 3/4″). This threadlocker eliminates the need for expensive lock nuts and lock washers by locking and sealing parts, preventing loosening due to vibration. It also protects threads from corrosion. Threadlocker Blue is easily removable with hand tools, making disassembly simple. (Mil-S-46163A, Type II, Grade N).