Loctite 222, 243, Threadlocker.

Threadlocker 50% Full.
2x Loctite 222 80% Full.
243 20% Full.

Loctite Nut Lock (08331): A blue, liquid medium-strength threadlocker (Grade CV), ideal for applications where disassembly with hand tools is required.
Loctite 243: A universal threadlocker with medium bonding strength, suitable for all metals and effective on lightly contaminated surfaces.
Loctite 222: A low-strength threadlocker, specifically intended for small screws and metals that may break during disassembly.
Functionality: In addition to locking, these products also prevent rust and corrosion in threaded connections.