
White label, medium-strength threadlocking adhesive, suitable for all metal threaded assemblies.
LOCTITE® 2400 is a blue, medium strength threadlocker formulated to secure and seal bolts, nuts and studs to prevent loosening due to vibration. It works on all metals and less active substrates such as stainless steel and coated surfaces such as zinc-flake or zinc plated. LOCTITE 2400 carries no hazard symbols, risk or safety phrases and does not contain any declarable carcinogens, mutagens or reproductive toxins.