---
product_id: 401670784
title: "REALTH Threadlocker M243 Medium Strength Gap Sealants 50ml Bottle Blue for Sealing The Cylindrical Components and Anti-Rust(M243)"
brand: "realth"
price: "AR$74026"
currency: ARS
in_stock: true
reviews_count: 5
category: "Realth"
url: https://www.desertcart.com.ar/products/401670784-realth-threadlocker-m243-medium-strength-gap-sealants-50ml-bottle-blue
store_origin: AR
region: Argentina
---

# 3500 Lbs/in² shear strength 10m initial / 24h full cure -54~180℃ service temp REALTH Threadlocker M243 Medium Strength Gap Sealants 50ml Bottle Blue for Sealing The Cylindrical Components and Anti-Rust(M243)

**Brand:** realth
**Price:** AR$74026
**Availability:** ✅ In Stock

## Summary

> 🔩 Seal the deal, skip the shake—secure your gear like a pro!

## Quick Answers

- **What is this?** REALTH Threadlocker M243 Medium Strength Gap Sealants 50ml Bottle Blue for Sealing The Cylindrical Components and Anti-Rust(M243) by realth
- **How much does it cost?** AR$74026 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.ar](https://www.desertcart.com.ar/products/401670784-realth-threadlocker-m243-medium-strength-gap-sealants-50ml-bottle-blue)

## Best For

- realth enthusiasts

## Why This Product

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

## Key Features

- • **Gap-Filling Precision:** Fills gaps up to 0.25mm ensuring a tight, reliable seal on threaded fasteners and cylindrical components.
- • **Rust? Not on Our Watch:** Anti-rust properties protect your hardware from corrosion, extending the lifespan of your machinery and projects.
- • **Lock It Down, No Loosen Ups:** Medium strength formula seals and secures bolts against vibration without permanent bonding—removable with hand tools.
- • **Easy Application, Lasting Results:** Runny yet stable formula applies smoothly, sets in 10 minutes, and cures fully in 24 hours for maximum strength.
- • **Built to Endure Extreme Conditions:** Operates flawlessly from freezing -54℃ to scorching 180℃, perfect for automotive and industrial use.

## Overview

REALTH Threadlocker M243 is a medium-strength, blue gap sealant designed to prevent loosening of threaded fasteners due to vibration. It fills gaps up to 0.25mm, withstands temperatures from -54 to 180℃, and offers a shear strength of 3500 Lbs/in². Ideal for automotive, home, and industrial applications, it cures fully in 24 hours and provides anti-rust protection while allowing disassembly with hand tools.

## Description

Features: - The glue is 50ml, there will be about 40% which is air in it to keep glue stable. - Preventing parts loosening due to vibration that can lock and seal the cylindrical components. - Eliminating micro-vibration wear phenomenon, withstand high load and anti-rust. - Applying fill gaps up to 0.25mm . - Service maximum temperature: -54~180℃. - Shear strength: 3500 Lbs/inch² 24 N/mm². - Solidification time(first solidification/full solidification): 10m/24h. - This sealants are recommended not to be used in pure oxygen or in pure oxygen environments. Package including : - 1 x 50ml thread lock.

Review: Sticks permanently as required
Review: Love this product nice and runny to get in all the threads and strong.

## Features

- WHAT CAN DO: Preventing parts loosening due to vibration that can lock and seal the threaded fasteners. Easy to use and clean. Can eliminate micro-vibration wear phenomenon, withstand high load and anti-rust. IMPORTANT NOTE: Push the cap back after use, it is validate forever unless the cap is not covered back after use in 3 days.
- APPLYING: Applying fill gaps up to 0.25mm. Strength: Medium. Solidification time(first solidification/full solidification): 10m/24h. Service temperature: -54~180℃. Shear strength: 3500 Lbs/inch² 24 N/mm².
- USE-METHOD: 1. Clean and dry all surfaces before assembly. 2. Shake well before use. 3. Apply 3-4 drops of glue onto the bolts at the nut engagement area, then flip over the bolts a few times to ensure the glue is fulfilled in the thread evenly. 4. Set in a few mins and cure for 24 hours to get maximum strength. If parts have come into contact with water-based solvents or cutting fluids and a protective layer is left on the surface, flush with hot water before gluing.
- WARM REMINDER: This sealants are recommended not to be used in pure oxygen or in pure oxygen environments, nor should they be mixed with strong oxidizers, which can cause explosive reactions. The product color is BLUE, medium strength, allows screws and nuts to be removed by hand tool.
- ESSENTIAL ITEM IN YOUR TOOLBOX: Widely used in automotive for valve covers, oil pans, water pumps, engine repair and others to guarantee the lifespan and extreme durability; at home for bicycle, motorcycle, lockset, lawn mower, door hardware, motor maintenance, toilet handle and so on to ensure the bolt and screws stay in place; in shop for homemade project fix, waterproof sealing bezel, freestyle drone, desktop printer and more to improve the performance of product.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B098SGFDGL |
| Best Sellers Rank | #191,945 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #869 in Hardware Sealers |
| Brand | Realth |
| Customer Reviews | 4.6 4.6 out of 5 stars (201) |
| Date First Available | 23 December 2021 |
| Item Weight | 73.9 g |
| Item model number | M243 |
| Manufacturer | REALTH |
| Manufacturer Part Number | M243 |
| Product Dimensions | 16 x 3 x 5.99 cm; 73.99 g |
| Special Features | Strong |

## Product Details

- **Brand:** Realth
- **Item dimensions L x W x H:** 16 x 3 x 6 centimeters
- **Item weight:** 2.61 Ounces
- **Material:** Silicone
- **Style:** Compact

## Images

![REALTH Threadlocker M243 Medium Strength Gap Sealants 50ml Bottle Blue for Sealing The Cylindrical Components and Anti-Rust(M243) - Image 1](https://m.media-amazon.com/images/I/61wiHsCjYCL.jpg)
![REALTH Threadlocker M243 Medium Strength Gap Sealants 50ml Bottle Blue for Sealing The Cylindrical Components and Anti-Rust(M243) - Image 2](https://m.media-amazon.com/images/I/71RDIrC8M3L.jpg)
![REALTH Threadlocker M243 Medium Strength Gap Sealants 50ml Bottle Blue for Sealing The Cylindrical Components and Anti-Rust(M243) - Image 3](https://m.media-amazon.com/images/I/71TsqCRm4VL.jpg)
![REALTH Threadlocker M243 Medium Strength Gap Sealants 50ml Bottle Blue for Sealing The Cylindrical Components and Anti-Rust(M243) - Image 4](https://m.media-amazon.com/images/I/71ZBRuMjzcL.jpg)
![REALTH Threadlocker M243 Medium Strength Gap Sealants 50ml Bottle Blue for Sealing The Cylindrical Components and Anti-Rust(M243) - Image 5](https://m.media-amazon.com/images/I/71pQ2hekJ7L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by L***N on 31 March 2024*

Sticks permanently as required

### ⭐⭐⭐⭐⭐ Review
*by M***Y on 1 July 2023*

Love this product nice and runny to get in all the threads and strong.

### ⭐⭐⭐ Review
*by H***E on 16 January 2023*

Not as good as i thought it would be

## Frequently Bought Together

- Threadlocker Blue 243 - Removable Thread Locker, Medium Strength Thread Locking Sealants 50ml for Bolts, Nuts Lock Tight, Anaerobic Screw Glue to Prevent Loosening & Corrosion(M243)
- ESKONKE Retaining Compound Green 638 Sleeve Retainer High Strength Cylindrical Metal Components Assemblies Locking and Sealing Anaerobic Glue 1.69 Oz/50 ml
- ThreadLocker Green, Thread Lock High Strength Lock Tight for Nuts, Bolts, Fasteners and Metals, Anaerobic Curing Metal Glue to Prevent Loosening and Corrosion (H680-50ml)

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*Product available on Desertcart Argentina*
*Store origin: AR*
*Last updated: 2026-02-26*