Description
LOCTITE® 271 is a red, low viscosity, methacrylate-based threadlocking adhesive with high strength for all metal fasteners. Can tolerate slight contamination of industrial oils. Breakaway torque on M10 bolts of 26 Nm. Fluoresces under UV light.
- Pack size: 50 ml bottle (Loctite no. 282850)
Application
- Typical applications include the locking and sealing of large bolts and studs (up to M25)
Characteristics
- Prevents unwanted movement, loosening, leaks and corrosion
- Low viscosity
- Fluoresces to allow quality control and inspection
- Resists vibration
- High strength
- Seals threads – allows through-hole tapping
Technical Information
| Chemical basis / base | Methacrylate |
| Color | Red |
| Fixture time | brass 5 min steel 10 min stainless steel 15 min |
| Viscosity, Brookfield – RVT, @ 25.0 °C Spindle 1, speed 10 rpm | 400.0 – 600.0 mPa·s (cP) |
| Fluorescence | Positive under UV light |
| Components | One component – requires no mixing |
| Cure | Anaerobic |
| Secondary Cure | Activator |
Hazard Information (CLP)

Signal word: Warning.
Hazard Statements (H-Sentence)
- H319: Causes serious eye irritation.
- H335: May cause respiratory irritation.
Precautionary Statements (P-Sentence)
Prevention:
- P261: Avoid breathing vapors.
Response:
- P337+P313: If eye irritation persists: Get medical advice/attention.
For private end consumers:
- 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 national regulations.
EUH Statements
- Contains Methyl methacrylate. May cause allergic reactions.
Other relevant information
- This mixture does not contain any substances classified as PBT, vPvB, or ED.
Henkel AG & Co. KGaA, Henkelstr. 67, 40589 Düsseldorf, GERMANY, +49 211 7970, [email protected], www.henkel.com






Ginevra –
Not too big, not too small, just perfect. Very effective, I noticed a change in just a week.
Sophia W. –
Not too big, not too small, perfect. Packaging was slightly damaged, but the product is excellent.
isaac_s –
Very fast shipping. Reliable and stable. Perfect job, thanks. Works perfectly.
Edoardo –
Very happy with the purchase, works great. Excellent quality and price.
henry_sun –
Great value for money. Arrived on time and in excellent condition. Reliable and stable.
katy_99 –
Super fast delivery, thank you.
Edoardo –
No issues at all so far. Well packaged and delivered quickly. Very practical.
Evan –
Great value for money. Durable product.
grace.lily –
Pleasant to use at home. Excellent product, worth every cent.
Cédric –
Very satisfactory. Everything perfect and fast. Easy to assemble.
Aurora B. –
Looks even nicer in real life. Pleasant to use at home. Super fast delivery, thank you.
William –
Arrived as promised. Very stable.