Loctite 243
Loctite 243 is a medium-strength blue threadlocker for locking and sealing metal threaded fasteners. Browse the BMG range online for maintenance, repair, and general assembly requirements where vibration resistance and controlled disassembly both matter.
Why buyers choose Loctite 243
It suits applications where fasteners need to stay locked in service, while still sitting in the medium-strength part of the threadlocker range for more practical maintenance planning.
Where it fits best
A strong option for maintenance teams, workshops, and assembly environments using metal nuts, bolts, and other threaded fasteners that need protection against loosening.
Shop the BMG range online
Use the product collection below to compare available Loctite 243 options and move directly into the product detail that matches your maintenance or assembly requirement.
What Loctite 243 Is Used For
Loctite 243 is used to lock and seal metal threaded fasteners where resistance to loosening from shock and vibration is important. It is a practical choice for maintenance, repair, and general assembly work where a medium-strength threadlocker is the better fit.
Selection Checklist
- Choose Loctite 243 when the job calls for a medium-strength threadlocker rather than a low- or high-strength alternative.
- Confirm the application involves metal threaded fasteners that need locking and sealing.
- Use it where vibration resistance is important in service.
- Check whether service access and future disassembly matter for your maintenance plan.
- Review the BMG product collection for the option that best matches your requirement.
Loctite 243 FAQs
What is Loctite 243 used for?
Loctite 243 is used for locking and sealing metal threaded fasteners to help prevent loosening caused by shock and vibration.
Is Loctite 243 a blue threadlocker?
Yes. Loctite 243 is the blue, medium-strength option in the Loctite industrial threadlocker range.
Can Loctite 243 be removed?
Loctite 243 sits in the medium-strength category and is positioned for removal with hand tools, making it a strong fit where future servicing may still be required.
Can Loctite 243 be used on different metals?
Yes. Henkel positions Loctite 243 for use on all metals, including passive substrates such as stainless steel, aluminium, and plated surfaces.
Does Loctite 243 help where fasteners are not perfectly clean?
It is designed to cure through most corrosion-prevention oils and cutting fluids on as-received fasteners, which can make it a practical choice in real maintenance and workshop conditions.
Shop Loctite 243 at BMG
Explore the available range online and choose the Loctite 243 option that fits your maintenance, repair, and assembly requirements.