Henkel Adhesive Technologies

Henkel Adhesive Technologies

Thread sealants


Fast-curing thread sealant for fine threads in hydraulic, pneumatic and general fittings

Medium strength, fast-curing thread sealant designed for the locking and sealing of fine-threaded metal pipes and fittings commonly used in hydraulic and pneumatic piping systems. Suitable for fluid filtration systems.

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

Part no. (SKU/IDH)

LOCTITE® 542, 50 ml Bottle



When you need a fast cure sealant for your fine threaded metal pipes and fittings, LOCTITE® 542 is a great choice. This medium strength adhesive locks and seals threaded metal assemblies against vibration loosening, and is resistant to fuel, oil, coolants and hydraulic fluids. And its thixotropic nature means you can expect less liquid product migration after you've applied it to the part. Contains no fillers or particles that could foul or clog fluid filtration systems.

Agency approvals / certificates / specifications:


Breakaway torque, Steel, M10:

15.0 N·m (130.0 in./lb.)



Operating temperature:

-55.0 °C - 150.0 °C (-65.0 °F - 300.0 °F)

Viscosity, 20 RPM:

600.0 mPa·s (cP)

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