Permatex’s High Temperature Thread Sealant locks and seals threaded fittings. Resists leakage, vibra..

Permatex’s Medium-Strength Threadlocker Blue is ideal for all nut and bolt applications 1/4″ to 3/4″..

Permatex High-Strength Threadlocker Red is ideal for heavy-duty applications 3/8″ to 1″ (10mm to 25m..