The Permatex Penetrating Grade Liquid Threadlocker is a low viscosity threadlocking liquid that wicks along the threads of pre-assembled fasteners to secure them in place. Since the penetrating liquid threadlocker is applied after assembly, preventive maintenance procedures are simplified. The liquid threadlocker is ideal for fasteners ranging from #2 to 1/2 in. (2.2 to 12mm) in size.

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