In a nutshell
The right choise for
With Loctite 561 thread sealant, you achieve fast and clean sealing on metal pipe threads and fittings. The convenient 19 g stick format eliminates drips, spills, and waste, making it ideal for overhead installations or field maintenance tasks. Its semi-solid formula cures anaerobically between close-fitting metal surfaces without creeping or shrinking, delivering an instant and dependable low-pressure seal. Operating reliably within a temperature range of -55 °C to +150 °C, it keeps connections leak-free. Thanks to its controlled low strength, you can disassemble fittings easily later on using standard hand tools.