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Loctite Threadlocker Red 271 - Permanent Thread Lock Glue for Nuts, Bolts, & Fasteners, High Strength Screw Glue to Prevent Loosening & Corrosion - 6 ml, 1 Pack

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Availability: In Stock.
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Arrives Thursday, Apr 2
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Size: 1 Pack


Style: Red (Permanent)


Features

  • Lock and Seal Fasteners: Prevents loosening of metal fasteners caused by vibration on engines, machinery, and vehicles
  • Prevents Rust and Corrosion: Moisture-resistant formula protects from leaks, rusting, and corrosion and eliminates need to stock up on expensive lock nuts and washers
  • Permanent Fix: Permanent seal prevents tampering and is only removable once cured by heating parts up to 500F (260C)
  • Easy and Quick: Sets in 10 minutes and fully cures in 24 hours
  • For Large Fasteners: Heavy duty, high-strength formula for use on threads for nuts and bolts up to 1 inch (25mm)

Description

Loctite Threadlocker Red 271 is designed to lock and seal threaded fasteners permanently and prevent loosening from vibration. Ideal for fasteners up to 1” (25mm), this unique formula is great for engines, machinery, and vehicles for valve covers, water pumps, and alternators. Loctite Threadlocker Red 271 is moisture resistant and protects threads from leaks, rusting, and corrosion while eliminating the need to stock up on expensive lock nuts and washers. Fast and easy to use, this heavy duty, high- strength threadlocker sets in just 10 minutes and fully cures in 24 hours. Loctite Threadlocker Red 271 is a permanent solution for locking and sealing threaded fasteners and is only removable once cured by heating up parts to 500°F (260°C). The Henkel Loctite Threadlocker is an adhesive that permanently locks metal studs, bushings, and large fasteners against loosening from machine vibration. It also strengthens slip and light press fittings. This heavy-duty adhesive is designed for larger metal fasteners 3/8- to 1-inch (9.5 mm to 25 mm) in larger types of power equipment where secured fasteners are mandatory. The adhesive sets in 20 minutes and cures in 24 hours. It comes in a 6-mL tube. P.when('A').execute(function(A) { A.on('a:expander:toggle_description:toggle:collapse', function(data) { window.scroll(0, data.expander.$expander[0].offsetTop-100); }); }); Manufacturer's Notice tt 0004537126 From the Manufacturer Henkel 01-27100 Loctite 6-ml Threadlocker 271 See more

Brand: Loctite


Specific Uses For Product: Threadlocker


Material: Cyanoacrylates


Item Form: Liquid


Special Feature: Strong


Specific Uses For Product: Threadlocker


Compatible Material: Metal


Item Form: Liquid


Other Special Features of the Product: Strong


Container Type: Tube


Viscosity: Liquid


Full Cure Time: 24 Hours


Water Resistance Level: Water Resistant


Item Package Quantity: 1


Volume: 6 Milliliters


Material Type: Cyanoacrylates


Color: Red


Brand Name: Loctite


Model: 13102


UPC: 079340271005


Global Trade Identification Number: 05


Manufacturer: Henkel


Item Type Name: Loctite - 209741


Included Components: Loctite - 209741


Item Weight: 0.2 Ounces


Warranty Description: Warranty


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Thursday, Apr 2

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews


  • Serious stuff for long lasting fixes
Size: 1 Pack Style: Red (Permanent)
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. ... show more
Reviewed in the United States on March 17, 2026 by Nick M.

  • Lock It Down!
Size: 1 Pack Style: Red (Permanent)
Pros: High Strength: Provides a strong bond for heavy-duty applications. Permanent Adhesive: Ideal for critical fasteners that will not need to be disassembled. Excellent Resistance: Withstands high temperatures and various chemicals. Versatile Use: Suitable for both automotive and industrial applications. Cons: Permanent Nature: Difficult to remove once cured, which may not be ideal for all users. Curing Time: Requires some time to fully cure, which may delay projects. Price Point: Slightly higher than other threadlockers on the market. Detailed Review: Performance: Loctite Threadlocker Red 271 excels in holding heavy-duty fasteners securely in place. Once applied, the bond strength is impressively robust, ensuring that nuts, bolts, and fasteners remain locked under stress and vibration. Ease of Use: The product is straightforward to apply. A small dot is sufficient for most applications, and the precision nozzle helps prevent over-application. The drying time is acceptable, but users should plan for a full curing time of up to 24 hours to achieve maximum strength. Features: Temperature Resistance: Can withstand temperatures from -65°F to 300°F (-54°C to 148°C). Chemical Resistance: Resistant to gasoline, oil, and various solvents. Application Versatility: Suitable for metal surfaces, which makes it versatile for use in various industries. Quality: Loctite is a well-known brand in the adhesive industry, and Threadlocker Red 271 lives up to its reputation. The consistency and strength of the adhesive ensure that it performs reliably in demanding applications. Value for Money: While it may be priced higher than other alternatives, the strength and longevity of the bond can save money in the long run by reducing the need for maintenance and reapplication. For critical applications, the investment is often worth it. Experience Using the Product: Personally, I have used Loctite Threadlocker Red 271 for securing bolts on automotive parts and for machinery that undergoes frequent vibrations. The results have been consistently reliable, with no loosening or need for re-tightening after applying it. The peace of mind that comes with knowing fasteners are secure is invaluable. Recommendation: For anyone dealing with high-stress applications or where permanent fastening is required, I highly recommend Loctite Threadlocker Red 271. It provides exceptional bond strength and reliability, making it a go-to for professionals and DIY enthusiasts alike. Conclusion: In conclusion, Loctite Threadlocker Red 271 stands out as a top-tier product in the realm of threadlockers. Its performance, quality, and ease of use make it a valuable tool in anyone's arsenal. While its permanent nature may not be suitable for every user, for those seeking a high-strength solution for nuts, bolts, and fasteners, this product delivers on its promises. ... show more
Reviewed in the United States on December 11, 2024 by Jason W. Bishop

  • Enhanced Performance and Reliability
Size: 1 Pack Style: Red (Permanent)
The Henkel Loctite Threadlocker Red 271 has become an essential part of my toolkit for maintaining and securing threaded fasteners in various industrial and automotive applications. I rely on it primarily for its exceptional ability to prevent loosening due to vibration, which is crucial for critical components such as engine mounts, suspension parts, and other high-stress areas. Its robust formula not only locks and seals threads effectively but also provides outstanding resistance against moisture, preventing leaks and safeguarding against rust and corrosion over time. This feature alone has significantly reduced the need for additional hardware like lock nuts and washers, saving both time and money in maintenance and repair tasks. What sets the Loctite 271 apart is its ease of use and reliability. The application is straightforward: apply the threadlocker, allow it to set for just 10 minutes, and it fully cures within 24 hours, forming a permanent bond that ensures long-term security and durability. This rapid setting time combined with its high-strength characteristics makes it ideal for securing a wide range of fasteners, from small screws to larger bolts up to 1 inch in diameter. Whether I'm working on automotive repairs, machinery maintenance, or even DIY projects around the house, I can trust the Loctite 271 to deliver consistent results and maintain the integrity of fastened connections. Moreover, the versatility of this product extends beyond its primary function as a threadlocker. I've used it to strengthen slip and light press fits, further expanding its utility in various assembly and repair tasks. Its ability to withstand temperatures up to 500°F (260°C) once cured ensures resilience under extreme conditions, making it suitable for applications where heat resistance is critical. Overall, the Henkel Loctite Threadlocker Red 271 has proven to be a reliable companion in ensuring secure fastenings and enhancing the longevity of components across different projects. Whether you're a professional mechanic or a DIY enthusiast looking for a dependable threadlocker, I highly recommend considering the Loctite 271 for its superior performance, ease of use, and unmatched durability. ... show more
Reviewed in the United States on June 22, 2024 by Marco Cardenas

  • Arrived on time!
Size: 1 Pack Style: Red (Permanent)
Works perfectly.
Reviewed in the United States on February 5, 2026 by ian gill

  • Great thread locker. recommended product
Size: 1 Pack Style: Red (Permanent)
Must have product for small screws and moving parts that you dont want to lose. Especially useful with firearms for installing sights and other items that need the small screws and what not retained. It is extremely useful and definitely worth the price. It is easy to apply with the dripper style tube. Does not take much especially of the red so this tube should last quite a bit for most people as I bought a tube years ago, use it quite often and still have some left that will last me a long while ... show more
Reviewed in the United States on April 23, 2025 by Jay Dee

  • Best thread locker on the market
Size: 1 Pack Style: Red (Permanent)
Very great thread locker, it has kept my bed stable for the past year. Not a single squeak or movement after putting this on the bolts.
Reviewed in the United States on February 13, 2026 by Donavan Ford

  • Excellent
Size: 1 Pack Style: Red (Permanent)
First time using this. I’m really surprised it works perfectly. Had some bolts in a chair armrest that would back out with regularity. That was months ago and the problem has not returned.
Reviewed in the United States on December 23, 2025 by GymHigh

  • Good product
Size: 1 Pack Style: Red (Permanent)
Does what you expect. Takes heat to remove.
Reviewed in the United States on March 17, 2026 by John Tague

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