Threadlocking Adhesive - medium strength. General purpose. Suitable for all metal threaded assemblies. LOCTITE 243 is a general purpose threadlocker of medium bond strength. This threadlocker secures and seal bolts, nuts and studs to prevent loosening due to vibration. The product works on all metals, including passive substrates such as stainless steel, aluminium and plated surfaces. Features: 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. engine oils, corrosion prevention oils and cutting fluids Permits disassembly with hand tools for servicing