Thread Lock – Loctite 242 50ml


Out of stock

SKU: H4-01 Category:


Medium strength, medium viscosity thixotropic threadlocking adhesive for metal thread sizes up to M36.

LOCTITE 242 is a medium strength, medium viscosity, methacrylate-based threadlocking adhesive offering general purpose qualities. The product provides quick fixture times on steel, brass and stainless steel of 5, 15 and 20 min respectively. LOCTITE 242 is thixotropic to prevent migration after application and is intended for fasteners that require normal disassembly with standard hand tools.

Your benefits

  • Medium strength
  • Medium viscosity
  • Quick fixture time
  • Thixotropic to reduce adhesive migration


Apply sufficient adhesive to coat the treads. The adhesive will start to cure on exclusion of air from the bonding system. Observe handling and strength times stated below.

Bonding Time

Assuming room temperature is 20°C.

Handling: < 15 minutes

Full strength: 24 hours

Storage Conditions

Store in a closed upright container between 3 and 20°C in dry dark conditions.

At low temperatures the shelf life will be prolonged.

Shelf life - minimum shelf life 6 months @ 20°C.


Q: If anaerobics cure in the absence of air, how come they don't cure in the sealed bottle?

A: The anaerobic bottles are specially formulated oxygen-permeable polyethylene bottles that allow air to pass through the wall of the bottle to maintain stability of the liquid product inside the container. The bottle is also not filled to the top for stability purposes. A 50 ml bottle does indeed contain 50 ml's of product in a larger bottle.


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