loctite_1335868

LOCTITE 243 medium-strength threadlocker for general use (250 ml bottle) - 1335868

LOCTITE
Supplier number: LOCTITE 1335868 | EAN 5010266000800
1 review(s)
Recommended Retail Price €249.73
181.40 tax incl.
€149.92 excl. VAT (incl. all environmental contributions)
On stock - immediately available

  • Ordered before 20:00 - delivered as of 03/10/2026
  • Free shipping
  • Delivery by DHL
  • Delivered from Belgium
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  • GHS07 Harmful

Loctite Buy & Get Promotion

Purchase Loctite products and receive a free Loctite product! Promotion valid from 01.10.2026 to 31.10.2026.

How does it work?

  • For a purchase value of €99 to €125 excl. VAT, receive FREE LOCTITE 55 thread sealing cord 50 m (IDH 528244) worth €9.99.
  • For a purchase value of more than €125 excl. VAT, receive FREE LOCTITE SF 7850 hand cleaner 400 ml (IDH 2098250) worth €13.21.
  • The free item is automatically added to your order. No registration is required.
  • The promotion is valid from 01.10.2026 to 31.10.2026.
  • Loctite Buy & Get deals are recognisable by the promotion label on the product page. Click the label to view all available deals.

Reliable locking for your threaded assemblies

Practical benefits
  • Prevents vibration loosening: You secure nuts and bolts against accidental loosening caused by heavy shocks and continuous mechanical vibrations.
  • Removable with hand tools: Thanks to the medium strength of Loctite 243, you easily disassemble threaded parts using standard hand tools.
  • Works on all metals: You apply the liquid formula directly to active and passive metal surfaces without requiring a primer.

In a nutshell

The right choise for

With Loctite 243, you reliably lock and seal threaded fasteners against accidental loosening caused by vibration and heavy shock loads. This medium-strength blue threadlocker works directly on active and passive metals, such as stainless steel and aluminium, without the need for a primer. Its oil-tolerant liquid formula cures effectively even through light films of cutting fluids or protective oils. When maintenance is required on machinery, pumps, or gearboxes, you can easily disassemble the parts using standard hand tools. This 250 ml bottle provides ample capacity to protect all your critical mechanical assemblies against vibration and leakage.



Product information FAQ Reviews
€181.40
In stock - tax incl.

Product information

Key features according to our expert

  • Net volume: 250 ml
  • P-statements: P273; P280; P333 + P313
  • Relative density: 1,08
  • ADR packing group: Not applicable
  • ADR class: Not applicable
  • UN number: Not applicable
  • Principal hazard property: GHS07 Harmful or irritant
  • H-statements: H317; H412
  • Hazard class: GHS07 Harmful or irritant
  • Physical state: Liquid
  • Flash point: > 100 °C
  • Packaging: Bottle
  • Locking strength: Medium

Product description:

  • LOCTITE 243 - Threadlocker medium strength - Henkel
  • LOCTITE 243 is a general purpose threadlocker of medium bond strength.
  • This threadlocker secures and seal bolts, nuts and studs to prevent loosening due to vibration.
  • The product works on all metals, including passive substrates such as stainless steel, aluminium and plated surfaces.
  • It is proven to be tolerant of minor contamination due to industrial oils, e.g. engine oils, corrosion prevention oils and cutting fluids.
Precautionary statements
  • P273: Avoid release to the environment.
  • P280: Wear protective gloves/protective clothing/eye protection/face protection.
  • P333 + P313: If skin irritation or rash occurs: Get medical advice/attention.
Hazard statements
  • H317: May cause an allergic skin reaction.
  • H412: Harmful to aquatic life with long lasting effects.

All Features

Net volume
250 ml
P-statements
P273; P280; P333 + P313
Relative density
1,08
Adr packing group
Not applicable
Adr class
Not applicable
Un number
Not applicable
Principal hazard property
GHS07 Harmful or irritant
H-statements
H317; H412
Hazard class
GHS07 Harmful or irritant
Physical state
Liquid
Flash point
> 100 °C
Packaging
Bottle
Locking strength
Medium
  • Brand LOCTITE
  • EAN 5010266000800
  • Supplier number LOCTITE 1335868

Frequently asked questions about this product

Answered by specialists
What is Loctite 243 used for?
It locks and seals threaded assemblies to prevent loosening caused by vibration and shock loads.
Can fasteners locked with Loctite 243 be disassembled?
Yes, its medium strength allows easy disassembly using standard hand tools.
Which metals is this threadlocker compatible with?
It works on all metals without primer, including passive materials like stainless steel and aluminium.
Do fasteners need to be completely degreased before use?
No, it is oil-tolerant and cures reliably through light coatings of cutting fluids and protective oils.
What is the volume of this bottle?
This bottle contains 250 ml of liquid threadlocker.
Questions about this product?

Our product specialists are happy to help with any questions about this range. Call, email or chat with us!

Chat with us
03 74 000 41 [email protected]

Reviews about LOCTITE 243 medium-strength threadlocker for general use (250 ml bottle) - 1335868

7,0 op 10
1 review(s)
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Review Terms and Conditions Klium
7/10

Zal de tijd moeten uitwijzen, maar tot nu toe zit de bout van de zadelpen vast.

Jacques
06/03/2018

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