Description
LOCTITE® 243 is a general purpose threadlocker that provides a medium strength bond. It is proven to be tolerant of minor contamination due to industrial oils, e.g., motor oils, corrosion prevention oils and cutting fluid.
- Pack size: 5 ml bottle (Loctite no. 1370555)
- Available as well in 10 ml, 50 ml and 250 ml bottle
Application
- LOCTITE 243 works on all metals, including passive substrates such as stainless steel, aluminium and plated surfaces.
Characteristics
- Prevents loosening on vibrating assemblies, e.g. pumps, gear boxes or presses
- Works on all metals, including passive substrates (e.g. stainless steel, aluminium, plated surfaces)
- Proven to tolerate minor contamination by industrial oils, e.g. engine oils, corrosion prevention oils and cutting fluids
- Permits disassembly with hand tools for servicing
- P1 NSF Reg. No.: 123000
Technical specifications
| Application Temperature | -55.0 – 180.0 °C |
| Breakaway Torque, M10 Steel Nuts/Bolts | ~26.0 N·m (230.0 in./lb. ) |
| Colour | Blue |
| Cure Type | Anaerobic Cure |
| Fixture Time | 10.0 min. |
| Physical Form | Liquid |
| Prevail Torque, M10 Steel Nuts/Bolts | 5.0 N·m (40.0 in./lb. ) |
| Specific Gravity, @ 23.0 °C | 1.08 |
| Viscosity, Speed 20 RPM | 2150.0 mPa·s (cP) |
Hazard Identification (CLP)

Signal word: Warning
Hazard Statements (H-Sets)
- H317: May cause an allergic skin reaction.
- H412: Harmful to aquatic life with long lasting effects.
Prevention (P-Sets)
- P273: Avoid release to the environment.
- P280: Wear protective gloves.
Reaction (P-Sets)
- P333+P313: If skin irritation or rash occurs: Get medical advice/attention.
Additional Labeling (EUH-Statements)
- EUH208: May cause allergic reactions.
General Safety Advice and Disposal
- P101: If medical advice is needed, have product container or label at hand.
- P102: Keep out of reach of children.
- P501: Dispose of contents/container in accordance with local regulations.
Other Relevant Information
- Contains Tetramethylendimethacrylate, Maleic acid, and 2′-Phenylacetohydrazide.
Henkel AG & Co. KGaA, Henkelstr. 67, 40589 Düsseldorf, GERMANY, +49 211 7970, [email protected], www.henkel.com






ethan_sky –
Arrived right away, excellent service. Everything as described. Perfect in every detail.
Chloé –
Super fast delivery, thank you.
remi_fr –
Simple to install.
cecilia_s –
Easy to use, no mess at all. Very effective, I noticed a change in just a week. A friend recommended it to me and I’m thrilled with the purchase. Better than anything I’ve tried before.
alessandro88 –
Well-made product. Solid build quality. Practical and useful.
lucy_sun –
I’ve been using it for 2 weeks and I already see results! Very effective; I noticed a change in just one week.
julius_s –
Everything perfect, would buy again. Perfect job, thanks.
aria.belle –
Really noticed a difference after using it! Perfect for my needs; I’m very satisfied.
Léa –
A friend recommended it; I’m very happy with the purchase. Perfect for my needs, couldn’t be happier. Looks even nicer in person.
franziska_b –
I was skeptical, but now I’ll order it regularly. Packaging was slightly damaged, but product is excellent.
Maëlys Y. –
Packaging was slightly damaged, but the product is excellent. I was skeptical, but now I’ll order regularly. Very effective, I noticed a change in just a week. Easy to use, without making a mess.
Joshua –
Perfect for what I needed. Great purchase, thank you. Feels sturdy. Works great.