LOCTITE 243 Blue Medium Strength Threadlocker

Known as LOCTITE 243 Blue Threadlocker

Features and Benefits

LOCTITE 243 is a medium strength blue threadlocking adhesive that seals and secures metal nuts and bolts to prevent loosening due to shock and vibration.
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
  • P1 NSF Reg. No.: 123000
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Documents and Downloads

Safety Data Sheets and RoHs
LOCTITE 243 Threadlocker 1329467 en-US
IDH: 1329467
EAN: 079340438972

Size Case: 50ML Bottle

Quantity: 10.0/case

LOCTITE 243 Threadlocker 1329505 en-US
IDH: 1329505
EAN: 079340438989

Size Case: 250ML Bottle

Quantity: 10.0/case

LOCTITE 243 Threadlocker 1329837 en-US
IDH: 1329837
EAN: 079340438996

Size Case: 10ML Bottle

Quantity: 10.0/case

LOCTITE 243 Threadlocker, 0.5ML 1330255 en-US
IDH: 1330255
EAN: 079340439009

Size Case: 0.5ML Bottle

Quantity: 100.0/case

LOCTITE 243 Threadlocker 1330333 en-US
IDH: 1330333
EAN: 079340439016

Size Case: 1L Bottle

Quantity: 4.0/case

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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

Where to Buy

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LOCTITE 243
LOCTITE 243 is a medium strength blue threadlocking adhesive that seals and secures metal nuts and bolts to prevent loosening due to shock and vibration.

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