Loctite® 272 High Strength Threadlocker Loctite High-strength threadlocking adhesive designed for permanent locking of threaded fasteners exposed to heavy loads. Loctite® 272 provides long-term security for screws, bolts, and studs, with excellent resistance to vibration, shock, and high temperatures. Ideal for industrial maintenance, mechanical engineering, automotive, and equipment manufacturing, this threadlocker ensures reliable metal assemblies and prevents loosening in demanding operating conditions. Learn more