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.
- 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 oil-coated, 'as-received' fasteners without cleaning
- Can be disassembled with ordinary hand tools for easy service and maintenance
- NSF/ANSI 61 certified
Documents and Downloads
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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) |