PERMATEX® Surface Insensitive Threadlocker Blue - 50 ml bottle

  • Buy 30 for $32.32 each and save 37%
  • Buy 60 for $30.01 each and save 42%
PERMATEX® Surface Insensitive Threadlocker Blue - 50 ml bottle is available to buy in increments of 6

Permatex Surface Insensitive Threadlocker BLUE is a medium strength anaerobic threadlocking material, which cures between engaged threads to form a unitized assembly that helps resist leakage, shock and vibration.  The product is a single component, anaerobic liquid that cures when confined in the absence of air between close fitting metal surfaces.  Ideal for all 1/4 inch to ¾ inch diameter nut and bolt assemblies, achieving significant strength even in the presence of light oils.  Excellent chemical resistance and a temperature resistance range of -54°C to +149°C (-65°F to +300°F).  Easily removable with hand tools for servicing requirements.   .


  • Eliminates vibrations issues
  • Seals against leakage
  • Prevents resisting of threads
  • Cures without cracking or shrinking
  • Adjusts or disassembles with hand tools 
  • Easy application
  • Thixotropic; resists dripping from threads during assembly
  • No torque compensation required during assembly
    Belt tensioner bolts
    Pulley bolts
    Cup and core plugs
    Fan hub bolts
    Visor mount bolts
    Starter mounting bolts
    Altenator mounting bolts
    Intake manifold bolts
    Oil pan bolts
    Axle cover screws
    Disc brake caliper bolts

Physical Properties:
     Chemical Type:                                            Anaerobic Dimethacrylate Ester
     Appearance:                                                 Opaque Blue Fluorescent liquid
     Specific Gravity:                                                          1.08
     Viscosity @ 25° C, mPa.s (cP)                           1,500  to 3,000
        Brookfield RVF spindle #3, @ 20 RPM
     Flash Point, (TCC), ° C (° F):                                  >93 (>200)

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