The Loctite 243 is a general purpose thread locker that provides a medium strength bond. LOCTITE 243 works on all metals, including passive substrates such as stainless steel, aluminium and plated surfaces. It is proven to be tolerant of minor contamination due to industrial oils, e.g., motor oils, corrosion prevention oils and cutting fluid. LOCTITE 243 is a medium strength blue thread locking adhesive that seals and secures metal nuts and bolts to prevent loosening due to shock and vibration.

Prevents loosening on vibrating assemblies, e.g. pumps, gear boxes or presses
Works on all metals, including passive substrates (e.g. stainless steel, aluminium, plated surfaces)
Proven to tolerate minor contamination by industrial oils, e.g. motor oils, corrosion prevention oils and cutting fluids
Permits disassembly with hand tools for servicing