LOCTITE® 243 is a medium-strength threadlocker designed to prevent the loosening of threaded fasteners due to vibration. It is suitable for all metal threads and offers resistance to oil and other contaminants. LOCTITE® 243 is versatile and reliable, providing a secure bond while still allowing disassembly with standard hand tools. It is commonly used in automotive, machinery, and maintenance applications to ensure long-lasting stability of fasteners.
Colour: Blue
Strength: medium
Viscosity: 900-1500mPas
Temperature range: -55°C to 180°C
Cure time: Full cure in 24 hours
Breakaway Torque: 19 Nm
Max Thread size: up to M36
Chemical resistance: resistant to oil, lubricants and industrial fluids
Conor Robertson, Technical Specialist
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LOCTITE® 243 is a versatile, medium-strength threadlocker designed to secure and seal threaded fasteners, preventing them from loosing due to vibration. It is suitable for use on all metal threads, including passive substrates like stainless steel and plateds surfaces. The product cures anaerobically, forming a strong, durable bond in the absence of air. LOCTITE® 243 offer escellent resistance to oil, corrosion, and minor surface contaminants, making it ideal for a wide range of applications in automotive, machinery, and general maintenance. It also allows for disassembly with standard hand tools, providing both security and flexibility.
Vibration loosening
Leakage and seepage
Corrosion and rust
Automotive: Securing bolts and nuts engines, transmissions and suspension systems.
Machinery: Preventing vibration loosening in industrial equipment.
Maintenance: Locking screws in pumps, compressors and gearboxes.
Electronics: Fastening components in electrical and electronic devices.
Household repairs: securing screws in appliances, furniture, and fixtures
General Engineering: Any application requiring secure, removable fasteners in metal assemblies.
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