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🔧 Lock it down like a pro—because your ride deserves nothing less!
Loctite 37479 271 Red Heavy Duty Threadlocker is a 36 ml high-strength anaerobic adhesive designed for securing large bolts and studs (1 inch and above) in automotive and industrial applications. It bonds to various metals including stainless steel and aluminum, sets in 10 minutes, fully cures in 24 hours, and withstands temperatures up to 140°F. Trusted by professionals for its durability against shock, vibration, and chemicals, it offers reliable fastening with easy disassembly via heat.









| Asin | B004DWUN5S |
| Best Sellers Rank | #13,513 in Automotive (See Top 100 in Automotive) #33 in Thread Lock Sealers |
| Brand Name | Loctite |
| Color | Red |
| Compatible Material | Aluminum, Stainless Steel |
| Container Type | Bottle, Can |
| Customer Reviews | 4.8 4.8 out of 5 stars (427) 4.8 out of 5 stars |
| 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 Type | Aluminum,Stainless Steel |
| Model | 37479 |
| Number Of Pieces | 1 |
| Other Special Features Of The Product | Strong |
| Part Number | 492142 |
| Specific Uses For Product | Fleet and plant maintenance. |
| Unit Count | 1.22 Fluid Ounces |
| Upc | 079340374799 |
| Viscosity Level | Medium |
| Volume | 36 ml |
| Water Resistance Level | Not Water Resistant |
User
Works
Love the lock and unlock tip and work good as well
User
good price for a good product
Use this product alot, best price on it here
User
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
User
Great price
It's Loctite what can you say. It works how it should. Great price for the large bottle.
User
Great price
This is a deal. The parts store charges this much for a little one.
User
Best Lock Tight Made
Best lock tight made.
User
Four Stars
great for using on bushings in transmissions
User
Loctite thread locker
Works great!
User
Buena compra
Rinde mucho y es un producto y marca que cumple lo que promete
User
buena calidad
Llega a tiempo y Excelente producto
User
Un buen pegamento
Es un pegamento bastante funcional
User
Excelente producto
CumplePerfectamente cómo selllador de tornillos ya usados, es muy fácil de usar
User
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
3 weeks ago