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Blue 50 ml Liquid Threadlocker

Item #100869835
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Product details

  • 50 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


Cure Speed Fixture 10 min @ 25 °C
You May Also Need Threadlocker to Primer N, Threadlocker to Primer T
Fastener Size Range 1/4 in to 3/4 in
Temperature Range [Min] -65 °F
Container Type Bottle
Resistance (Chemical) Oil
Curing Method Anaerobic
Typical Use Up to 3/4" Bolts With Light Oil Contamination
Oil Tolerant Yes
Cure Speed Full (Steel) 24 h @ 25 °C
Container Size 50 ml
Breakaway Torque ~ 26 Nm, 230 in lb (M10 Steel Nuts/Bolts)
Color Blue
Full Cure Time @ Temperature 24 h @ 72 °F
Temperature Range [Max] 300 °F
Physical Form Liquid
Fastener Type Metal
Recommended Primer Primer N™, T™
Odor Characteristic
Prevailing Torque 62 lbf
Viscosity (cP) 2,250/12,000 Thixotropic
Strength Medium
Weight 0.17 LB
EAN or UPC 79340438972
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