LOCTITE® 243 Blue Medium Strength Threadlocker

Features and Benefits

This iconic threadlocker locks and seals metal nuts and bolts to prevent loosening due to shock and vibration. Medium strength, removable with hand tools.
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. Suitable for use on most oil-coated, 'as-received' fasteners without cleaning.
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Technical Information

Application method Dispense Gun, Dispense System, Manual
Application temperature -55.0 - 180.0 °C (-65.0 - 360.0 °F )
Applications Threadlocking
Breakaway torque, M10 Steel Nuts/Bolts ~26.0 N·m (230.0 in./lb. )
Color Blue
Cure type Anaerobic Cure
Fixture time 10.0 min.
Key characteristics Disassembly: Removable, Fluorescent, General Purpose, Oil Tolerant, Primerless, Strength: Medium Strength, Thixotropic
Physical form Liquid
Prevail torque, M10 Steel Nuts/Bolts 5.0 N·m (40.0 in./lb. )
Recommended for use with Metal, Metal: Passive Metal
Specific gravity, @ 23.0 °C 1.08
Viscosity, Speed 20 RPM 2150.0 mPa·s (cP)