With Loctite 5776, you reliably seal and lock coarse metal threaded joints up to 3" (M80). This medium-strength liquid anaerobic thread sealant prevents leaks and protects pipes and fittings against loosening caused by shock and vibration. Thanks to official dvgw approval and NSF/ANSI 61 certification, you can work safely on gas, hot water, and potable water systems. The thixotropic formula prevents dripping during application, ensuring clean and precise assembly every time. Operating across a temperature range of -55 °C to +150 °C, this 50 ml bottle delivers dependable sealing that remains easy to disassemble using standard hand tools.