Loctite Blue 243 Thread Locker

LOCTITE® 243 is a blue, general purpose threadlocker that provides a medium-strength bond. It works on all metals without primer, including passive substrates such as stainless steel, aluminum, and plated surfaces. Cures through most corrosion prevention oils and cutting fluids on "as-received" fasteners without aggressive cleaning.

Prevents fastener loosening on vibrating assemblies, e.g. pumps, gear boxes or presses
Works on all metals, including passive substrates
Suitable for use on most 'as-received' fasteners without aggressive cleaning
Can be disassembled with ordinary hand tools for easy service and maintenance
NSF/ANSI 61 certified