Loctite 242 Threadlocker


Loctite 242 Threadlocker

Loctite 242 is a medium strength threadlocking adhesive offering general-purpose qualities. The product provides quick fixture times on steel, brass and stainless steel of 5, 15 and 20 minutes respectively.


  • Prevents loosening and leakage from shock & vibration: It occupies all gaps between the mating threads and cures into a hard thermoset plastic that strengthens the assembly against shocks and seals the threads.
  • Fluorescent: It has a characteristic blue colour that fluoresces under UV light. This helps during service to detect as to whether or not the product had been applied.
  • Medium strength: When required, assemblies locked with this can be easily removed using standard hand tools.


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