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Blue 250 ml Liquid Threadlocker

Item #100869836
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Product details

  • 250 ml Container
  • Blue Color


  • LOCTITE® 243 is a general purpose threadlocker that provides a medium strength bond. LOCTITE 243 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
  • NSF/ANSI 61 Certified


Fastener Type Metal
Breakaway Torque ~ 26 Nm, 230 in lb (M10 Steel Nuts/Bolts)
Oil Tolerant Yes
Odor Characteristic
Container Size 250 ml
Viscosity (cP) 2,250/12,000 Thixotropic
Recommended Primer Primer N™, T™
Full Cure Time @ Temperature 24 h @ 72 °F
Prevailing Torque 62 lbf
Fastener Size Range 1/4 in to 3/4 in
Cure Speed Full (Steel) 24 h @ 25 °C
Physical Form Liquid
Resistance (Chemical) Oil
Typical Use Up to 3/4" Bolts With Light Oil Contamination
Container Type Bottle
Cure Speed Fixture 10 min @ 25 °C
Strength Medium
Temperature Range [Max] 300 °F
Color Blue
Curing Method Anaerobic
You May Also Need Threadlocker to Primer N, Threadlocker to Primer T
Temperature Range [Min] -65 °F
Weight 0.71 LB
EAN or UPC 79340438989
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