---
product_id: 52742583
title: "209728 Heavy Duty Threadlocker, 0.2 oz, Blue 242, Single Thread Locking Adhesive, 0.2 Fl. Oz (Pack of 1), 2"
brand: "loctite"
price: "€ 15.92"
currency: EUR
in_stock: true
reviews_count: 13
category: "Loctite"
url: https://www.desertcart.ie/products/52742583-209728-heavy-duty-threadlocker-0-2-oz-blue-242-single
store_origin: IE
region: Ireland
---

# Medium-strength lock for 6-19mm fasteners Sets in 10 minutes, cures in 24 hours Prevents rust, corrosion & leaks 209728 Heavy Duty Threadlocker, 0.2 oz, Blue 242, Single Thread Locking Adhesive, 0.2 Fl. Oz (Pack of 1), 2

**Brand:** loctite
**Price:** € 15.92
**Availability:** ✅ In Stock

## Summary

> 🔧 Lock it down, but keep control — thread security with a smart twist!

## Quick Answers

- **What is this?** 209728 Heavy Duty Threadlocker, 0.2 oz, Blue 242, Single Thread Locking Adhesive, 0.2 Fl. Oz (Pack of 1), 2 by loctite
- **How much does it cost?** € 15.92 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ie](https://www.desertcart.ie/products/52742583-209728-heavy-duty-threadlocker-0-2-oz-blue-242-single)

## 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

- • **Versatile Fit:** Perfectly engineered for 6-19mm nuts and bolts, covering a wide range of professional and DIY applications.
- • **Fast & Efficient:** Quick 10-minute set time with full cure in 24 hours keeps your projects moving without delay.
- • **Rust & Leak Defense:** Protects metal threads from rust, corrosion, and leaks, eliminating the need for extra hardware.
- • **Secure Every Thread:** Locks and seals fasteners to prevent loosening from vibration—ideal for small motors and power equipment.
- • **Removable When Needed:** Medium-strength formula allows easy disassembly with hand tools—no permanent lock-in, just reliable hold.

## Overview

Loctite 209728 Blue 242 Heavy Duty Threadlocker is a medium-strength adhesive designed to lock and seal threaded fasteners sized 6-19mm. It prevents loosening caused by vibration, protects against rust and corrosion, and sets quickly in 10 minutes with full cure in 24 hours. Ideal for small motors, mowers, and power equipment, it offers reliable fastening with easy removability for maintenance.

## Description

Loctite Threadlocker Blue 242 is designed to lock and seal threaded fasteners and prevent loosening from vibration. Ideal for 6-19mm fasteners, this unique formula is great for small motors, mowers, and power equipment. Loctite Threadlocker Blue 242 protects threads and prevents from leaks, rusting, and corrosion and eliminates the need to stock up on expensive lock nuts and washers. Fast and easy to use, this medium-strength threadlocker sets in just 10 minutes and fully cures in 24 hours. Loctite Threadlocker Blue 242 is particularly suited for applications on less active substrates such as stainless steel and plated surfaces, where disassembly is required for servicing.

Review: Useful for securing watch screws - Useful for securing watch screws when you don't want them irreversibly glued -- in other words, perfect for ensuring screws won't loosen, but can be unscrewed at a later date -- perfect!
Review: Very good product. - Very good does what it says on the packaging.

## Features

- Causes serious eye irritation.
- Causes skin irritation.
- Harmful to aquatic life with long lasting effects.
- May cause damage to organs through prolonged or repeated exposure.
- May cause respiratory irritation.
- Lock and Seal Fasteners: Prevents loosening of metal fasteners caused by vibration on small motors, mowers, and power equipment
- Prevents Rust and Corrosion: Protects from leaks, rusting, and corrosion and eliminates need to stock up on expensive lock nuts and washers
- Removable: Can be removed with hand tools
- Easy and Quick: Sets in 10 minutes and fully cures in 24 hours
- For 6-19mm Fasteners: Medium-strength formula for use on threads for 6mm to 19mm nuts and bolts

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B000I1RSNS |
| Batteries Required? | No |
| Batteries included? | No |
| Best Sellers Rank | 3,042 in DIY & Tools ( See Top 100 in DIY & Tools ) 72 in Sealers |
| Colour | Blue |
| Customer Reviews | 4.6 4.6 out of 5 stars (38,345) |
| Date First Available | 11 Aug. 2012 |
| Delivery information | We cannot deliver certain products outside mainland UK ( Details ). We will only be able to confirm if this product can be delivered to your chosen address when you enter your delivery address at checkout. |
| Included Components | Thread Locking Adhesive |
| Item Package Quantity | 1 |
| Item Weight | 5 g |
| Item model number | Henkel / osi -tanch-it- |
| Manufacturer | Henkel |
| Material | Metal |
| Number of Pieces | 1 |
| Part Number | 209728 |
| Product Dimensions | 12.19 x 8.64 x 1.27 cm; 5 g |
| Size | 0.2 Fl. Oz (Pack of 1) |
| Special Features | Strong |
| Style | Threadlocker |
| Usage | Maintenance and repair of small motorized equipment |

## Product Details

- **Brand:** Loctite
- **Item form:** Liquid
- **Material:** Metal
- **Special feature:** Strong
- **Specific uses for product:** Maintenance and repair of small motorized equipment

## Images

![209728 Heavy Duty Threadlocker, 0.2 oz, Blue 242, Single Thread Locking Adhesive, 0.2 Fl. Oz (Pack of 1), 2 - Image 1](https://m.media-amazon.com/images/I/710dYyD5mTL.jpg)

## Questions & Answers

**Q: Can it be used on plastic screw threads such as on a lampholder ?**
A: Can do but this wouldn't be as effective on plastic as it is more maliable then metal screws,

**Q: Is the loctite blue suppose to be watery?**
A: Yes

**Q: Would this glue be adequate for assembling the cover for small green house?**
A: Yes

## Customer Reviews

### ⭐⭐⭐⭐⭐ Useful for securing watch screws
*by P***S on 21 December 2025*

Useful for securing watch screws when you don't want them irreversibly glued -- in other words, perfect for ensuring screws won't loosen, but can be unscrewed at a later date -- perfect!

### ⭐⭐⭐⭐⭐ Very good product.
*by J***N on 16 November 2025*

Very good does what it says on the packaging.

### ⭐⭐⭐⭐⭐ Camera lens screw fix
*by S***S on 27 October 2025*

I promise my camera screws keep releasing my neck on lens this blue work brilliantly and fix the screws so they didn’t vibrate when I was walking with my camera Brilliant glue

## Frequently Bought Together

- Loctite Threadlocker Blue 242 - Removable Thread Lock Glue for Nuts, Bolts, & Fasteners, Medium Strength Screw Glue to Prevent Loosening & Corrosion - 6 ml, 1 Pack
- Wheeler Manual Firearms Accurizing Torque Wrench with Inch/Pounds Measurement, Bits and Storage Case for Scope Mounting, Gunsmithing and Maintenance

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*Product available on Desertcart Ireland*
*Store origin: IE*
*Last updated: 2026-01-26*