LOCTITE® 243 is a blue, general purpose threadlocker that provides a medium-strength bond. It works on all metals without primer, including passive substrates such as stainless steel, aluminum, and plated surfaces. Suitable for use on most oil-coated, 'as-received' fasteners without cleaning.

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