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🔧 Lock it down, level up your maintenance game!
Loctite Heavy Duty Threadlocker Red 271 is a professional-grade adhesive designed to permanently lock and seal metal fasteners up to 1 inch. Its moisture-resistant formula prevents rust and corrosion, ensuring long-lasting durability on engines, machinery, and vehicles. With a quick 10-minute set time and full cure in 24 hours, it delivers a heavy-duty, tamper-proof hold that can only be removed by heating to 500°F, making it the go-to solution for reliable, vibration-resistant fastening.






| ASIN | B01EZTQ4A6 |
| Best Sellers Rank | #1,269 in Automotive ( See Top 100 in Automotive ) #9 in Automotive Fillers, Adhesives & Sealants |
| Brand | LOCTITE |
| Brand Name | LOCTITE |
| Color | Red |
| Colour | Red |
| Compatible Material | Metal |
| Container Type | Tube |
| Customer Reviews | 4.7 out of 5 stars 10,834 Reviews |
| Full Cure Time | 24 Hours |
| Global Trade Identification Number | 30079340271006 |
| Included Components | Threadlocker Tubes (12) |
| Item Form | Liquid |
| Item Package Quantity | 1 |
| Item Type Name | Loctite Red 271 Threadlocker, 6-Milliliter Tubes, Case of 12 (209741-12) |
| Item Weight | 0.2 Ounces |
| Item form | Liquid |
| Manufacturer | LOCTITE |
| Material | Metal |
| Material Type | Metal |
| Model | Threadlocker 271 |
| Other Special Features of the Product | Permanent |
| Part Number | 209741-12 |
| Special features | Permanent |
| Specific Uses For Product | Firearm |
| Specific uses for product | Firearm |
| Viscosity Level | Medium to High |
| Volume | 6 Milliliters |
| Water Resistance Level | Not Water Resistant |
M**D
Fine
Very nice i’m using it as it is recommended buy supreme suspensions wheel spacers thread lock.
H**B
Excellent
Works exactly as expected.
M**T
Playground Repair
It does the job and a very good brand
N**.
Serious stuff for long lasting fixes
This is the classic “don’t plan on removing it” threadlocker, and it does exactly that. Loctite Threadlocker 271 Red is extremely strong and perfect for bolts you never want backing out from vibration, heat, or load. I’ve used it on things like suspension hardware, drivetrain components, and anything safety-critical, and once it cures, it does not move. No loosening, no backing out, no surprises. It also helps seal threads and prevent corrosion at the same time. That said, this is not your everyday threadlocker. Removal usually requires serious heat (around 500°F) and effort, so if there’s any chance you’ll need to take it apart later, this is the wrong product.
A**R
🇮🇳 very useful product work's very well
Bit expensive but the product does what it says The adhesive works only for metal so don't buy for plastic work
O**7
good item
works as expected
N**I
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