Loctite screwlock nutlock studlock threadlock and retainer adhesives loctite 241 loctite 241 is a medium strength low viscosity small threads threadlocker with a breakaway torque of 115n it is designed for locking and sealing threaded fasteners which may require disassembly with standard hand tools it is particularly suitable for use with less active substrates such as stainless steel and plated surfacesloctite 241 cures when it is confined between close fitting metal surfaces and pr