Henkel Adhesive Technologies

Henkel Adhesive Technologies



Blue, medium strength, primerless threadlocker

This iconic threadlocker locks and seals metal nuts and bolts to prevent loosening due to shock and vibration. Medium strength, removable with hand tools.

All marks used are trademarks and/or registered trademarks of Henkel and its affiliates in the US, Germany, and elsewhere.

Part no. (SKU/IDH) 1329837
LOCTITE® 243, 10 ml Bottle

Size Please make your selection 10 ml



LOCTITE® 243 is a blue, general purpose threadlocker that provides a medium strength bond. It works on all metals, including passive substrates, such as stainless steel, aluminum and plated surfaces, without the use of a primer. Suitable for use on most oil-coated, "as-received" fasteners without cleaning.

Application method:

Dispense Gun,Dispense System,Manual

Application temperature:

-55.0 °C - 180.0 °C (-65.0 °F - 360.0 °F)



Breakaway torque, M10 Steel Nuts/Bolts:

~ 26.0 N·m (~ 230.0 in./lb.)



Cure type:

Anaerobic Cure

Fixture time:

10.0 min.

Key characteristics:

Disassembly: Removable,Fluorescent,General Purpose,Oil Tolerant,Primerless,Strength: Medium Strength,Thixotropic

Physical form:


Prevail torque, M10 Steel Nuts/Bolts:

5.0 N·m (40.0 in./lb.)

Recommended for use with:

Metal,Metal: Passive Metal

Specific gravity, @ 23.0 °C:


Viscosity, Speed 20 RPM:

2150.0 mPa·s (cP)

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