---
product_id: 41709674
title: "242 Automotive Blue Threadlocker - Medium-Strength Thread Lock, Multi-Purpose Applications, Works on All Metals - 36 ml, 1 Pack"
brand: "loctite"
price: "£31.67"
currency: GBP
in_stock: true
reviews_count: 9
category: "Loctite"
url: https://www.desertcart.co.uk/products/41709674-242-automotive-blue-threadlocker-medium-strength-thread-lock-multi-purpose
store_origin: GB
region: United Kingdom
---

# Works on all metals Sets in 5 minutes Medium-strength hold 242 Automotive Blue Threadlocker - Medium-Strength Thread Lock, Multi-Purpose Applications, Works on All Metals - 36 ml, 1 Pack

**Brand:** loctite
**Price:** £31.67
**Availability:** ✅ In Stock

## Summary

> 🔧 Lock it down today, or risk it coming loose tomorrow!

## Quick Answers

- **What is this?** 242 Automotive Blue Threadlocker - Medium-Strength Thread Lock, Multi-Purpose Applications, Works on All Metals - 36 ml, 1 Pack by loctite
- **How much does it cost?** £31.67 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/41709674-242-automotive-blue-threadlocker-medium-strength-thread-lock-multi-purpose)

## 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

- • **Multi-Industry Ready:** Perfect for automotive repairs, DIY projects, and professional maintenance alike.
- • **Fast-Acting Precision:** Starts setting in just 5 minutes to get your project moving quickly.
- • **Trusted by Pros & OEMs:** Lab-tested and specified by automotive manufacturers for guaranteed reliability.
- • **Durable Vibration Resistance:** Keeps nuts and bolts locked tight even under intense automotive vibrations.
- • **Universal Metal Compatibility:** Seamlessly bonds with stainless steel, aluminum, and plated surfaces for versatile use.

## Overview

LOCTITE 242 Blue Threadlocker is a medium-strength, fast-setting adhesive trusted by professionals and OEMs. Compatible with all metals, it secures nuts and bolts against vibration and loosening in automotive and industrial applications. With a quick 5-minute set time and full cure in 24 hours, this 36 ml bottle delivers reliable, durable performance for maintenance and repair projects.

## Description

The LOCTITE Automotive Threadlocker Blue 242 is a high-temp, medium-strength threadlocker trusted by professionals and OEM-specified. Designed by auto manufacturers and lab tested, it works on all metals, including stainless steel, aluminum, and plated surfaces, making it perfect for securing nuts and bolts in automotive applications. Ideal for valve cover bolts, water pump bolts, oil pan bolts, and more, it provides a reliable hold that resists vibration and loosening. This product is great for automotive maintenance and other settings where regular servicing is required. It sets in just 5 minutes and fully cures within 24 hours, delivering long-lasting performance. With a 36 ml bottle, LOCTITE Blue 242 is a dependable, easy-to-use solution for any automotive repair or maintenance project.

Review: Works Great As Expected - Sometimes it's easier to order some things on line rather than waste time and gas physically shopping around for them The Loctite 242 works great as expected
Review: Genuine - It’s loctite. It holds screws. Good stuff

## Features

- Trusted by Professionals: Our blue 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: 37477 - 492140)
- Works on all metals: Works on all metals, including passive substrates such as stainless steel, aluminum, and plated surfaces; ideal for all nut and bolt applications.
- Reliable & Durable Performance: Optimal for use in automotive applications as well as a variety of other settings where regular maintenance, repairs, or servicing are necessary, offering a reliable and durable solution for long-term performance across multiple industries
- Multi-Application: Great for valve cover bolts, water pump bolts, oil pan bolts, drive shaft bolts, rocker arm adjustment nuts, carburetor studs
- Quick-setting for convenience: The product begins setting in just 5 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

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B000XSGJKY |
| Best Sellers Rank | #26,976 in Automotive ( See Top 100 in Automotive ) #53 in Thread Lock Sealers |
| Brand | Loctite |
| Brand Name | Loctite |
| Color | Blue |
| Compatible Material | Aluminum, Metal, Stainless Steel |
| Container Type | Bottle |
| Customer Reviews | 4.8 out of 5 stars 196 Reviews |
| Full Cure Time | 24 Hours |
| Global Trade Identification Number | 00079340374775 |
| Included Components | (1) LOCTITE 242 Threadlocker | Blue, 36 ml Bottle |
| Item Form | Liquid |
| Item Package Quantity | 1 |
| Item Type Name | automotive-thread-lock-sealers |
| Item Weight | 0.14 Pounds |
| Manufacturer | Loctite |
| Material | Methacrylate Anaerobic |
| Material Type | Methacrylate Anaerobic |
| Model | 492140 |
| Number of Pieces | 1 |
| Other Special Features of the Product | Sold by Speedway Motors |
| Part Number | 492140 |
| Special Feature | Sold by Speedway Motors |
| Specific Uses For Product | DIY Projects, Repairs, Maintenance, Workshops, Garages, Outdoor Settings |
| UPC | 079340374775 |
| Unit Count | 1.22 Fluid Ounces |
| Viscosity Level | Medium |
| Volume | 36 Milliliters |
| Warranty Description | See Return Policy |
| Water Resistance Level | Not Water Resistant |

## Product Details

- **Brand:** Loctite
- **Item Form:** Liquid
- **Material:** Methacrylate Anaerobic
- **Special Feature:** Sold by Speedway Motors
- **Specific Uses For Product:** DIY Projects, Repairs, Maintenance, Workshops, Garages, Outdoor Settings

## Images

![242 Automotive Blue Threadlocker - Medium-Strength Thread Lock, Multi-Purpose Applications, Works on All Metals - 36 ml, 1 Pack - Image 1](https://m.media-amazon.com/images/I/61anAQDDIoL.jpg)

## Questions & Answers

**Q: What is the shelf life of this product?**
A: The shelf life of Loctite 242 is two years from date of manufacture. Please contact 1-800-LOCTITE for more information.

**Q: Can i use this on a motor scooter on the nut that holds the steering wheel on so I can get many miles as it would possibly vibrate allot on the road?**
A: Yes,  LOCTITE Threadlockers prevent fasteners from loosening due to vibration.  LOCTITE 242 or LOCTITE 243 are both our medium strength blue Threadlocker.  We also have LOCTITE 263 which is our high-strength red Threadlocker.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Works Great As Expected
*by M***E on June 11, 2026*

Sometimes it's easier to order some things on line rather than waste time and gas physically shopping around for them The Loctite 242 works great as expected

### ⭐⭐⭐⭐⭐ Genuine
*by C***R on January 29, 2026*

It’s loctite. It holds screws. Good stuff

### ⭐⭐⭐⭐⭐ Product works
*by E***E on September 13, 2025*

Great stuff for automotive needs. Bottle is a good size if you use it often on older car/trucks that need some hold on the bolts.

## Frequently Bought Together

- LOCTITE 242 Automotive Blue Threadlocker - Medium-Strength Thread Lock, Multi-Purpose Applications, Works on All Metals - 36 ml, 1 Pack
- Loctite 37479 271 Red Heavy Duty Threadlocker Bottle - 36 ml
- Loctite 37480 272 Red High Temperature Threadlocker Bottle - 36 ml

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**Shop now:** [https://www.desertcart.co.uk/products/41709674-242-automotive-blue-threadlocker-medium-strength-thread-lock-multi-purpose](https://www.desertcart.co.uk/products/41709674-242-automotive-blue-threadlocker-medium-strength-thread-lock-multi-purpose)

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*Product available on Desertcart United Kingdom*
*Store origin: GB*
*Last updated: 2026-06-22*