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LOCTITE 243

Known as LOCTITE 243 Blue Threadlocker

Features and Benefits

Available in:

  • 50.0 ml bottle

    10/case

  • 250.0 ml bottle

    10/case

  • 10.0 ml bottle

    10/case

  • 0.5 ml capsule

    100/case

  • 1.0 l bottle

    10/case

Threadlocking Adhesive - medium strength. General purpose. Suitable for all metal threaded assemblies.
LOCTITE® 243 is a general purpose threadlocker of medium bond strength. This threadlocker secures and seal bolts, nuts and studs to prevent loosening due to vibration. The product works on all metals, including passive substrates such as stainless steel, aluminum and plated surfaces. It is proven to be tolerant of minor contamination due to industrial oils, e.g. motor oils, corrosion prevention oils and cutting fluid.

  • Prevents 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)
  • Proven to tolerate minor contamination by industrial oils, e.g. motor oils, corrosion prevention oils and cutting fluids
  • Permits disassembly with hand tools for servicing
  • P1 NSF Reg. No.: 123000
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Documents and Downloads

Technical Information

Agency Approvals / Specifications NSF P1 Reg No: 123000
Color Blue
Fixture Time 5 - 10 min.
Full Cure Temperature 77 °F
Key Characteristics Thixotropic
Specific Gravity 1 g/l
Specific Gravity Temperature 25 °C
Substrates Metal: Brass, Metal: Steel, Metal: Steel - Stainless Steel
Temperature -65 - 360 °F
Thread Size (Maximum) R3/4”
Torque Break on M10 Steel 230 in./lb.
Torque Prevail on M10 Steel 40 in./lb.
Viscosity 1300 - 3000
Viscosity Temperature 77 °F

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