You searched for "threadlocking"
Loctite
Loctite Loctite 586 Thread lock
Part: LOCTITE 586 BO 50ML
Red threadlock adhesive for sealing metal threaded fasteners and pipes.
Loctite
Loctite 511 Thread lock Paste for Thread Sealing 50 ml Bottle
Part: 230633
White anaerobic threadlock paste for sealing pipe threads to 150°C.