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 (e.g., stainless steel, aluminum, plated surfaces)
- 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) |