LOCTITE 243 Threadlocker – Medium Strength Thread Locking Adhesive

Secure Threaded Fasteners with LOCTITE 243

LOCTITE 243 is a medium-strength, blue anaerobic threadlocker designed to lock and seal threaded fasteners, preventing loosening caused by vibration, shock, and thermal cycling. It is suitable for all metal fasteners, including stainless steel, aluminum, and plated surfaces, and offers excellent oil tolerance, making it ideal for maintenance and industrial assembly applications.

Key Features:
Medium-strength threadlocker for removable assemblies
Prevents loosening due to vibration and impact
Seals threads against moisture and corrosion
Excellent performance on active and passive metals
Works on stainless steel, aluminum, brass, and plated fasteners
Oil-tolerant formulation for use on lightly contaminated parts
Suitable for bolts, nuts, screws, studs, and threaded fittings

Typical Applications:
Electric motors
Pumps and compressors
Gearboxes
Industrial machinery
Automotive components
Construction equipment
Manufacturing and maintenance operations

Technical Specifications:
Product Type -Anaerobic Threadlocker
Color – Blue
Strength -Medium
Fixture Time (Steel) – Approximately 10 minutes
Full Cure – 24 hours
Temperature Resistance – -55°C to +180°C
Gap Fill – Up to 0.15 mm
Typical Sizes – 10 ml, 50 ml, 250 ml
Benefits – Extends equipment life by preventing fastener loosening
Reduces maintenance costs and downtime – Eliminates the need for lock washers and mechanical locking devices
Provides reliable sealing against leaks and corrosion
Allows disassembly using standard hand tools for servicing
How to Use
Clean the threads if heavily contaminated.
Apply LOCTITE 243 to the bolt threads.
Assemble and tighten the fastener to the required torque.
Allow adequate curing time before subjecting the assembly to full load.

Industries Served:
Automotive
Industrial Manufacturing
Power Generation
Mining
Marine
Agriculture
Heavy Equipment Maintenance
Why Choose LOCTITE 243?
LOCTITE 243 is trusted worldwide for dependable thread locking performance in demanding industrial environments. Its oil-tolerant formulation and medium-strength bond make it the preferred choice for applications requiring secure fastening with future disassembly for maintenance.

Frequently Asked Questions
What is LOCTITE 243 used for?
It is used to lock and seal threaded fasteners, preventing loosening caused by vibration and protecting against leakage and corrosion.
Can LOCTITE 243 be removed?
Yes. Fasteners secured with LOCTITE 243 can typically be removed using standard hand tools.
Does LOCTITE 243 work on stainless steel?
Yes. It performs effectively on stainless steel, aluminum, plated fasteners, and other metal substrates.
Is LOCTITE 243 resistant to oil?
Yes. It is formulated to cure reliably on lightly oil-contaminated fasteners

Order LOCTITE 243
Looking for genuine LOCTITE 243 threadlocker? Contact us today for pricing, technical support, and bulk supply for industrial and maintenance applications.