Loctite 221 Threadlocker is a reliable solution for securing screws, nuts, and studs against loosening due to vibrations. This product not only provides effective screw locking but also seals threaded connections. It cures in the absence of air between tight metal surfaces, ensuring that connections remain stable even under impacts and vibrations. Loctite 221 is particularly suitable for applications where easy disassembly with standard hand tools is required, such as with set screws or screws with a small diameter. With a wide operating temperature range of -55 °C to +150 °C, this product is versatile and offers high resistance to various environmental conditions.

• Low-strength threadlocker for easy disassembly
• Cures in the absence of air between metal surfaces
• Suitable for thread sizes up to M12
• Hand strength on stainless steel after 210 minutes
• Operating temperature range of -55 °C to +150 °C.