Loctite 243 Medium Strength Threadlocker (Blue, 50 ml)
Dispatched Tuesday, May 6, 2025

Loctite 243 Threadlocker
- Prevents assembly loosening and leaks under vibration stress
- Ideal for nuts and bolts in pumps, gearbox housings and presses
- Fluoresces under UV light to allow monitoring
- Medium strength bonding
- Suitable for all metals, including stainless steel, aluminium, plated surfaces, etc.
- Tolerates traces of industrial oils
- Color : blue
- Packaging : 50 ml bottle
Loctite 243 Medium Strength Threadlocker (Blue, 50 ml) Specifications
Loctite 243 threadlocker seals threaded fasteners to prevent loosening and leakage due to shock or vibration. This versatile product, suitable for use on studs, nuts and bolts in pumps, gearbox housings and presses, for example, offers a medium-strength bond that allows normal disassembly using standard hand tools.
This acrylic threadlocker is effective on active metals such as brass and copper, but also on passive substrates such as stainless steel and plated surfaces. It tolerates slight contamination from industrial oils (motor oil, rust inhibitors, cutting fluids, etc.) and is fluorescent so it can be checked under UV light.
Characteristics
Manufacturer | Loctite |
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