The Permatex Thread locker Adhesive Tube is a high strength adhesive designed for locking and sealing large bolts and studs. It is OEM specified and conforms to ASTM D5363 AN0211 (Mil-S-46163A, type I, Grade L). This adhesive is ideal for applications where heat may be required to weaken the bond before parts can be disassembled. It is easy to use and provides a secure and reliable bond. FleetPride is your First Click in Heavy Duty®.