LOCTITE® 542 Fast Cure Hydraulic Thread Sealant | 50mL | IDH 234422 | Fine Thread Hydraulic & Pneumatic Fittings | Business Delivery Available

Fast-Curing Medium-Strength Anaerobic Thread Sealant for Fine-Threaded Metal Hydraulic, Pneumatic and General Fittings

Supply Solutions Group supplies LOCTITE® 542 Fast Cure Hydraulic Thread Sealant – 50mL (Australian IDH 234422) to organisations operating across manufacturing, engineering, automotive, mining, transport, hydraulics, maintenance, construction and industrial workplaces throughout Australia.

LOCTITE 542 is a professional fast-curing thread sealant specifically designed for locking and sealing fine-threaded metal pipes and fittings, particularly those found in hydraulic and pneumatic systems.

The one-part formulation uses anaerobic cure technology, curing when confined in the absence of air between close-fitting metal surfaces.

Once cured, LOCTITE 542 helps provide a reliable seal while also helping prevent threaded assemblies from loosening due to shock and vibration.

Its combination of sealing and locking performance makes the product particularly useful for hydraulic and pneumatic fittings where leakage and fitting movement can lead to equipment downtime, maintenance issues or loss of system performance.

LOCTITE 542 provides an instant low-pressure seal, helping support assembly and maintenance operations while the product develops its cured properties.

The formulation is resistant to fuel, oil, coolants and hydraulic fluids, making it particularly suitable for demanding mechanical, automotive and industrial fluid-system applications.

LOCTITE 542 is also formulated without fillers or particles that could foul or clog fluid filtration systems.

This is an important characteristic for hydraulic and pneumatic systems incorporating valves, filters, screens and other components where particulate contamination may create operational problems.

The product has a thixotropic formulation, helping reduce liquid migration after application and keeping the sealant where it is applied during assembly.

LOCTITE 542 is classified as a medium-strength thread sealant, providing secure locking and sealing while remaining appropriate for assemblies where future servicing may be required.

Henkel specifies a breakaway torque of approximately 15 N·m on steel M10 fasteners under the manufacturer's stated test conditions.

The product operates across a broad temperature range of approximately -55°C to +150°C, supporting its use across numerous industrial, mechanical and fluid-power environments.

Supplied in a convenient 50mL bottle, LOCTITE 542 is suitable for workshops, hydraulic service technicians, maintenance teams, manufacturing operations and businesses performing regular threaded fitting assembly and repair.

This listing is supplied as 1 × 50mL bottle of LOCTITE 542 Fast Cure Hydraulic Thread Sealant.

As an Indigenous-owned industrial supplier and procurement partner, Supply Solutions Group provides genuine LOCTITE adhesives, threadlockers, retaining compounds, thread sealants, gasket products and industrial maintenance consumables backed by responsive customer service, procurement support and Australia-wide business supply capability.

Product Type

• Product Type: Hydraulic Thread Sealant

• Brand: LOCTITE®

• Manufacturer: Henkel

• Product: LOCTITE 542

• Australian IDH: 234422

• Container Size: 50mL

• Container Type: Bottle

• Technology: Acrylate

• Cure Type: Anaerobic

• Strength: Medium

• Cure Speed: Fast Cure

• Colour: Brown

• Viscosity: 600 mPa·s

• Breakaway Torque: 15 N·m on Steel M10

• Operating Temperature: -55°C to +150°C

• Primary Application: Fine-Threaded Metal Pipes & Fittings

• Best For: Hydraulic, Pneumatic & General Fittings

• Pack Quantity: 1 × 50mL Bottle

• Delivery: Business Delivery Available

Key Features

• Genuine LOCTITE® industrial thread sealant

• LOCTITE 542

• Australian 50mL IDH: 234422

• 50mL bottle

• Fast-curing formulation

• Medium-strength thread sealant

• One-part product

• No mixing required

• Anaerobic cure technology

• Designed for fine metal threads

• Ideal for hydraulic fittings

• Ideal for pneumatic fittings

• Suitable for general threaded fittings

• Locks and seals threaded metal assemblies

• Helps prevent leakage

• Helps resist vibration loosening

• Instant low-pressure sealing capability

• Resistant to hydraulic fluids

• Resistant to fuel

• Resistant to oil

• Resistant to coolants

• Contains no clogging fillers or particles

• Suitable for fluid filtration systems

• Thixotropic formulation

• Reduced liquid migration after application

• Brown colour

• 600 mPa·s viscosity

• 15 N·m breakaway torque on steel M10

• Broad -55°C to +150°C operating range

• Suitable for professional industrial maintenance

Technical Specifications

Typical Applications

• Hydraulic fittings

• Hydraulic pipe connections

• Pneumatic fittings

• Pneumatic pipe connections

• Fine-threaded metal fittings

• General metal fittings

• Fluid-power equipment

• Hydraulic machinery

• Pneumatic machinery

• Industrial equipment

• Pumps

• Valves

• Mechanical assemblies

• Automotive servicing

• Machinery maintenance

• Equipment repairs

• Production assembly

• Preventative maintenance

• Industrial maintenance

• Fluid filtration systems

Suitable Industries

• Hydraulic services

• Pneumatics

• Manufacturing

• Engineering

• Automotive

• Mining and resources

• Heavy equipment

• Transport

• Industrial maintenance

• Machinery servicing

• Fluid power

• Oil and gas

• Construction

• Infrastructure

• Mechanical workshops

• Equipment manufacturing

• Plant maintenance

• Trades and contracting

Why Choose LOCTITE® 542 Fast Cure Hydraulic Thread Sealant?

LOCTITE 542 is specifically designed for applications requiring a fast-curing sealant for fine-threaded metal hydraulic, pneumatic and general fittings.

Unlike conventional thread-sealing materials that simply occupy space between threaded components, LOCTITE 542 uses anaerobic technology to cure between close-fitting metal surfaces.

The cured material helps seal the threaded connection while simultaneously helping prevent loosening caused by shock and vibration.

This combination is particularly valuable in hydraulic and pneumatic equipment where fittings may be exposed to vibration, changing pressures and demanding operating conditions.

Another major advantage is its compatibility with common industrial fluids.

LOCTITE 542 is resistant to fuel, oil, coolants and hydraulic fluids, supporting use across a broad range of automotive, mechanical and industrial equipment.

For hydraulic and filtration systems, the formulation contains no fillers or particles that could clog or foul fluid filtration equipment.

The product's thixotropic characteristics also help minimise liquid migration after application, helping keep the sealant positioned around the threaded connection during assembly.

LOCTITE 542 provides an instant low-pressure seal, while the anaerobic formulation subsequently cures to provide its designed sealing and locking properties.

Its medium-strength formulation provides secure performance without moving into the high-strength category commonly associated with assemblies intended to remain permanently locked.

With an operating temperature range from approximately -55°C to +150°C, LOCTITE 542 is suited to a broad range of professional fluid-power, maintenance and manufacturing environments.

Why Buy from Supply Solutions Group?

Supply Solutions Group is an Indigenous-owned Australian supplier of industrial adhesives, sealants, maintenance chemicals, PPE and industrial consumables, providing genuine LOCTITE products backed by procurement support and Australia-wide business supply capability.

Benefits of Partnering with Supply Solutions Group

• Australia-wide business supply capability

• Indigenous-owned and operated business

• Genuine LOCTITE products

• Henkel industrial product supply

• Hydraulic maintenance consumables

• Pneumatic maintenance products

• Industrial adhesive and sealant sourcing

• Procurement support services

• Trade account options

• Bulk purchasing solutions

• Workshop consumable supply

• Maintenance chemical sourcing

• PPE and industrial products

• Product sourcing assistance

• Responsive customer service

• Ongoing commercial supply arrangements

Frequently Asked Questions

What is LOCTITE 542?
LOCTITE 542 is a one-part, medium-strength, fast-curing anaerobic thread sealant designed for locking and sealing fine-threaded metal pipes and fittings.

How much product is included?
This listing contains 1 × 50mL bottle of LOCTITE 542.

What is the Australian IDH for the 50mL bottle?
Henkel Australia lists the 50mL bottle under IDH 234422.

Is LOCTITE 542 designed for hydraulic fittings?
Yes. Hydraulic fittings are one of the primary applications for LOCTITE 542.

Can LOCTITE 542 be used on pneumatic fittings?
Yes. Henkel specifies LOCTITE 542 for hydraulic, pneumatic and general fine-threaded fittings.

What type of threads is LOCTITE 542 designed for?
It is particularly designed for fine-threaded metal pipes and fittings.

Is LOCTITE 542 fast curing?
Yes. Henkel specifically describes 542 as a fast-curing thread sealant.

What strength is LOCTITE 542?
LOCTITE 542 is classified as a medium-strength thread sealant.

What colour is LOCTITE 542?
The product is brown.

How does LOCTITE 542 cure?
It uses anaerobic cure technology, meaning it cures when confined in the absence of air between close-fitting metal surfaces.

Does LOCTITE 542 provide an immediate seal?
Henkel specifies an instant low-pressure seal.

Is LOCTITE 542 resistant to hydraulic fluid?
Yes. LOCTITE 542 is resistant to hydraulic fluids.

Is it resistant to oil and fuel?
Yes. Henkel specifies resistance to fuel and oil, as well as coolants and hydraulic fluids.

Can LOCTITE 542 be used in filtration systems?
Yes. Henkel states that the product is suitable for fluid filtration systems.

Does LOCTITE 542 contain fillers?
Henkel states that it contains no fillers or particles that could foul or clog fluid filtration systems.

What is the operating temperature range?
Henkel specifies an operating temperature range of approximately -55°C to +150°C.

What is the viscosity?
Henkel specifies a viscosity of approximately 600 mPa·s at 20 RPM.

What is the breakaway torque?
The manufacturer's published technical specification lists approximately 15 N·m breakaway torque on steel M10 under its specified test conditions.

Does LOCTITE 542 help prevent fittings from loosening?
Yes. Once cured, it helps lock threaded metal assemblies against loosening caused by shock and vibration.

Is LOCTITE 542 a threadlocker or thread sealant?
It is primarily classified as a thread sealant, but its cured medium-strength formulation also locks the threaded assembly and helps resist vibration loosening.

Can it be used on plastic fittings?
LOCTITE 542 is specified for metal threaded pipes and fittings. A product specifically recommended for the relevant plastic substrate should be selected for plastic fittings.

Does it need to be mixed before application?
No. LOCTITE 542 is a single-component / one-part product.

Can Supply Solutions Group provide larger quantities of LOCTITE 542?
Yes. Bulk and ongoing supply arrangements are available for hydraulic businesses, manufacturers, engineering companies, mining operations, maintenance departments, workshops and other commercial customers.

Can Supply Solutions Group supply other LOCTITE products?
Yes. Supply Solutions Group can assist with broader requirements for LOCTITE threadlockers, thread sealants, retaining compounds, gasket sealants, instant adhesives, structural adhesives and industrial maintenance products.