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🔧 Secure your ride with the ultimate heavy-duty threadlocker!
Loctite 37479 271 Red Heavy Duty Threadlocker is a professional-grade anaerobic adhesive designed for large bolts and studs (≥25mm). It bonds to all metals including stainless steel and aluminum, sets in 10 minutes, and fully cures in 24 hours. Engineered for high shock, vibration, and chemical resistance, it withstands temperatures up to 140°F and is ideal for automotive and industrial applications requiring permanent, durable locking.









| ASIN | B004DWUN5S |
| Best Sellers Rank | #8,353 in Automotive ( See Top 100 in Automotive ) #29 in Thread Lock Sealers |
| Brand | Loctite |
| Brand Name | Loctite |
| Color | Red |
| Compatible Material | Aluminum, Stainless Steel |
| Container Type | Bottle, Can |
| Customer Reviews | 4.8 out of 5 stars 430 Reviews |
| Full Cure Time | 24 hours |
| Global Trade Identification Number | 00079340374799 |
| Included Components | (1) LOCTITE 271 Threadlocker | Red, 36 ml Bottle |
| Item Form | Liquid |
| Item Package Quantity | 1 |
| Item Type Name | automotive-thread-lock-sealers |
| Item Weight | 1.6 ounces |
| Manufacturer | Loctite |
| Material | Aluminum , Stainless Steel |
| Material Type | Aluminum,Stainless Steel |
| Model | 37479 |
| Number of Pieces | 1 |
| Other Special Features of the Product | High-Strength, Permanent Locking |
| Part Number | 492142 |
| Special Feature | High-Strength, Permanent Locking |
| Specific Uses For Product | Fleet and plant maintenance. |
| UPC | 079340374799 |
| Unit Count | 1.22 Fluid Ounces |
| Viscosity Level | Medium |
| Volume | 36 ml |
| Water Resistance Level | Not Water Resistant |
S**.
#271. The strongest Loctite I’ve seen.
Awesome Loctite, as advertised, this is the strongest hold I’ve seen. Don’t put it in something unless you are 100% positive you want it to stay together. This takes extreme heat to break the bond from #271.
G**T
Screws won’t budge
Used this for a rifle stock that was held on by 2 screws that would always come loose when shooting. This stuff kept it locked down with no issues. Highly recommend
T**S
Best Lock Tight Made
Best lock tight made.
T**.
Great price
This is a deal. The parts store charges this much for a little one.
A**M
Works
Love the lock and unlock tip and work good as well
R**R
Keeps nuts from coming loose.
Nuts on bolts come loose, this stops that.
A**A
Good buy
Works well
D**R
Great price
It's Loctite what can you say. It works how it should. Great price for the large bottle.
J**.
Buena compra
Rinde mucho y es un producto y marca que cumple lo que promete
J**J
buena calidad
Llega a tiempo y Excelente producto
I**A
Un buen pegamento
Es un pegamento bastante funcional
I**N
Excelente producto
Cumple Perfectamente cómo selllador de tornillos ya usados, es muy fácil de usar
C**E
SECOUER LA BOUTEILLE AVANT L'UTILISATION POUR UN RÉSULTAT MAXIMUM D'EFFICACITÉ
EXCELLENT N'OUBLIEZ PAS DE BIEN SECOUER LA BOUTEILLE AVANT L'UTILISATION POUR UN RÉSULTAT MAXIMUM D'EFFICACITÉ MERCI
Trustpilot
1 month ago
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