Loctite 221 Threadlocker is a highly effective product for securing screws, nuts, and studs. It is designed to prevent self-loosening due to vibrations while ensuring a reliable seal. This product cures in the absence of air between close-fitting metal surfaces and is particularly suitable for applications where easy disassembly with conventional hand tools is required. Loctite 221 Threadlocker is ideal for adjusting set screws or for screws with small diameters and long threads. It offers low strength, allowing connections to be easily loosened when needed without breaking the screw. With a wide temperature range of -55 °C to +150 °C, this product is versatile and provides a reliable solution for various applications.

• Cures in the absence of air between close-fitting metal surfaces
• Prevents self-loosening and leaks due to shocks and vibrations
• Suitable for screws with small diameters and long threads
• Easy to disassemble with standard hand tools
• Temperature resistant from -55 °C to +150 °C.