Loctite Threadlocker 290 is a high-strength, permanent threadlocker designed to secure bolts, nuts, and studs against vibration and thermal shock. This unique penetrating/green formula is ideal for use on metals, including stainless steel, cast iron, and aluminum, and provides a secure, tamper-proof bond that won't loosen over time. It's easy to use - just apply to the threads and assemble. It's also fast-acting and cures in 24 hours, so you can get the job done quickly. Plus, it's non-toxic and non-flammable, making it safe for use in a wide range of applications. Get the job done right with Loctite Threadlocker 290!