---
product_id: 298827944
title: "37421 271 Red Heavy Duty Threadlocker, 6-Milliliter Tube"
brand: "loctite"
price: "€ 42.89"
currency: EUR
in_stock: true
reviews_count: 5
category: "Loctite"
url: https://www.desertcart.com.cy/products/298827944-37421-271-red-heavy-duty-threadlocker-6-milliliter-tube
store_origin: CY
region: Cyprus
---

# Heat resistant up to 140°F High-strength bond for heavy-duty bolts Sets in 10 minutes, full cure in 24h 37421 271 Red Heavy Duty Threadlocker, 6-Milliliter Tube

**Brand:** loctite
**Price:** € 42.89
**Availability:** ✅ In Stock

## Summary

> 🔧 Lock it down like a pro — don’t let your bolts bail on you!

## Quick Answers

- **What is this?** 37421 271 Red Heavy Duty Threadlocker, 6-Milliliter Tube by loctite
- **How much does it cost?** € 42.89 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.cy](https://www.desertcart.com.cy/products/298827944-37421-271-red-heavy-duty-threadlocker-6-milliliter-tube)

## Best For

- loctite enthusiasts

## Why This Product

- Trusted loctite brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Easy disassembly:** Localized heating allows hassle-free removal when needed
- • **Fast-setting formula:** Get your projects moving quickly with a 10-minute initial set
- • **Shock & vibration proof:** Engineered to withstand extreme mechanical and chemical stress
- • **Universal metal compatibility:** Works flawlessly on stainless steel, aluminum & plated surfaces
- • **Professional-grade reliability:** Trusted by OEMs and pros for critical automotive applications

## Overview

LOCTITE 37421 Red Heavy Duty Threadlocker is a professional-grade adhesive designed for securing large bolts and studs in automotive and industrial settings. It bonds to all metals, sets quickly in 10 minutes, fully cures in 24 hours, and withstands shocks, vibrations, and temperatures up to 140°F. Trusted by OEMs and professionals alike, it ensures durable, reliable fastening with easy disassembly via heat.

## Description

LOCTITE Automotive Threadlocker Red 271 is a high-strength, high-temperature adhesive designed for heavy-duty applications where durability and reliability are critical. OEM-specified and trusted by professionals, this anaerobic threadlocker bonds effectively to all metals, including stainless steel, aluminum, and plated surfaces. Its enhanced oil tolerance ensures superior performance in challenging conditions. LOCTITE Red 271 is engineered to secure components exposed to heavy shock, vibration, and extreme chemical environments, making it ideal for use on frame brackets, suspension fasteners, shock absorber mounts, and wheel studs. It is best suited for large bolts and studs with diameters of 1 inch (25 mm) and larger. The threadlocker sets in just 10 minutes and reaches full strength in 24 hours, providing a durable, temperature-resistant bond up to 140°F. Disassembly is easy with localized heating and hand tools. Whether you're working on automotive or industrial applications, LOCTITE Red 271 delivers professional-grade performance and long-lasting results.

Review: Filetage adapteur pour moteur
Review: Rinde mucho y es un producto y marca que cumple lo que promete

## Features

- Trusted by Professionals: Our red LOCTITE automotive thread locker products are not just OEM-specified, they are trusted by professionals because they are designed by auto manufacturers and lab tested (PN: 37421-487232)
- Works on all metals: Works on all metals, including passive substrates such as stainless steel, aluminum, and plated surfaces; features enhanced minor oil tolerance for superior performance
- Reliable & Durable Performance: Engineered for securing components that endure heavy shock, vibration, and extreme chemical or environmental conditions so it will requires localized heating and hand tools for easy disassembly
- Multi-Application: Perfect for use on frame brackets, suspension fasteners, shock absorber mounts, and wheel studs but ideally works with large bolts and studs with diameters of 1 inch (25 mm) and larger
- Quick-setting for convenience: The product begins setting in just 10 minutes, giving you a quick start on your project, and reaches its full strength after 24 hours, ensuring a complete and durable cure by the next day and is temperature resistant up to 140 degrees

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0028OJAIY |
| Assembly Required | No |
| Brand | Loctite |
| Colour | Red |
| Customer Reviews | 4.8 4.8 out of 5 stars (1,011) |
| Date First Available | 16 August 2012 |
| Exterior | Packaged |
| Full Cure Time | 24 Hours |
| Generic Name | Loctite 487232 Threadlocker 271 High Strength Tube, Red, 6-ml |
| Global Trade Identification Number | 00079340374218 |
| Item Dimensions LxWxH | 16.5 x 9.7 x 2 Centimeters |
| Item Form | Tube |
| Item Package Quantity | 1 |
| Item Volume | 6 Millilitres |
| Item Weight | 4.54 g |
| Item model number | 37421 |
| Manufacturer | Loctite |
| Manufacturer Part Number | 37421 |
| Material | Metal-based formulation |
| Model | LOCTITE 271 Threadlocker for Automotive | Red, 6 ml Tube |
| Number of Pieces | 1 |
| OEM Part Number | 37421 |
| Package Information | Tube |
| Product Dimensions | 16.51 x 9.69 x 2.03 cm; 4.54 g |
| Special Feature | Strong |
| Special Features | Strong |
| Specific Uses For Product | Automotive, Industrial, DIY, Furniture, Heavy-Duty |
| Stain Resistant? | Yes |
| UPC | 079340374218 |
| Viscosity | Low viscosity |
| Viscosity Level | Low |
| Water Resistance Level | Water Repellent |

## Product Details

- **Brand:** Loctite
- **Item Form:** Tube
- **Material:** Metal-based formulation
- **Special Feature:** Strong
- **Specific Uses For Product:** Automotive, Industrial, DIY, Furniture, Heavy-Duty

## Images

![37421 271 Red Heavy Duty Threadlocker, 6-Milliliter Tube - Image 1](https://m.media-amazon.com/images/I/71aDC2eOevS.jpg)

## Questions & Answers

**Q: Would this be 2 heavy for gun sight installation or just what i need?**
A: It might be to much for 271. It was designed for larger treads 3/8 + hold, and might make it impossible to remove at a latter time because of inability to apply enough heat and torque to remove from small treads like a scope mount. use Blue which is for small threads

**Q: Does this product require a primer?  The fourth picture on Amazon suggests it does but the instructions do not mention a primer.  Stainless + aluminum**
A: I didn't need to. I used it on steel threads. Didn't even clean them. Applied this product and assembled. Hardened in minutes. I waiyed 24hrs  before use just in case. Excellent product. I've used in the automobile repair industry for 30yrs.

**Q: Would this be appropriate for the locking nut on a sink faucet, that is always coming loose and making the faucet wobble?**
A: Oh god no! This is for applications of extreme vibration and areas that's could be extremely dangerous if a bolt or nut came loose. All you should need for you faucet is the blue loctite. After using the red, you would need some serious heat and a breaker bar to free that nut if you needed to replace that faucet in the future.

**Q: if it is opened/used, how long will it stay fresh/usable?**
A: Unopened/opened shelf life of Loctite 271 is two years from date of manufacture. Since exposure to oxygen is what keeps the liquid product stable, and it is packaged in a "breathable" plastic bottle, there is no change in shelf life once the product has been opened.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by D***É on 7 August 2023*

Filetage adapteur pour moteur

### ⭐⭐⭐⭐⭐ Review
*by J***. on 20 June 2022*

Rinde mucho y es un producto y marca que cumple lo que promete

### ⭐⭐⭐⭐⭐ Review
*by A***M on 9 August 2025*

Love the lock and unlock tip and work good as well

## Frequently Bought Together

- Loctite 37421 271 Red Heavy Duty Threadlocker
- Loctite Threadlocker Blue 242 Blue, 0.2 fl oz, 1, Tube
- LOCTITE 242 Threadlocker for Automotive: High-Temp, Medium-Strength, Anaerobic | Blue, 6mL Tube (PN: 37418 - 487229)

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.com.cy/products/298827944-37421-271-red-heavy-duty-threadlocker-6-milliliter-tube](https://www.desertcart.com.cy/products/298827944-37421-271-red-heavy-duty-threadlocker-6-milliliter-tube)

---

*Product available on Desertcart Cyprus*
*Store origin: CY*
*Last updated: 2026-01-29*