---
product_id: 227407182
title: "638 Retaining Compound 50ml | High-Strength Retainer | High Temperature & Oil Resistant | Fast Fixture Time | High Viscosity | Bonds Shafts, Gears & Pulleys"
brand: "loctite"
price: "€ 24.01"
currency: EUR
in_stock: true
reviews_count: 4
category: "Loctite"
url: https://www.desertcart.es/products/227407182-638-retaining-compound-50ml-high-strength-retainer-high-temperature-oil
store_origin: ES
region: Spain
---

# High-temp resistance up to 150°C Fast fixture time under 10 minutes High viscosity for superior bonding strength 638 Retaining Compound 50ml | High-Strength Retainer | High Temperature & Oil Resistant | Fast Fixture Time | High Viscosity | Bonds Shafts, Gears & Pulleys

**Brand:** loctite
**Price:** € 24.01
**Availability:** ✅ In Stock

## Summary

> 🔧 Lock it down with Loctite 638 — where strength meets speed!

## Quick Answers

- **What is this?** 638 Retaining Compound 50ml | High-Strength Retainer | High Temperature & Oil Resistant | Fast Fixture Time | High Viscosity | Bonds Shafts, Gears & Pulleys by loctite
- **How much does it cost?** € 24.01 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.es](https://www.desertcart.es/products/227407182-638-retaining-compound-50ml-high-strength-retainer-high-temperature-oil)

## 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

- • **Rapid Fixation Power:** Secures shafts, gears, and pulleys quickly so you can move on faster.
- • **Engineered for Durability:** Long-lasting hold that keeps your critical components locked in place.
- • **Trusted Industrial Strength:** Backed by Henkel’s innovation, a go-to for professionals demanding reliability.
- • **Unmatched Thermal Endurance:** Withstands extreme heat to keep your assemblies intact under pressure.
- • **Premium High-Viscosity Formula:** Ensures a robust, gap-filling bond that resists oil and water intrusion.

## Overview

Loctite 638 is a high-strength retaining compound designed for industrial use, offering fast fixture times, high viscosity for superior bonding, and resistance to high temperatures and oils. Ideal for securing shafts, gears, and pulleys, it delivers durable, waterproof bonds that professionals trust to maintain mechanical integrity under demanding conditions.

## Description

Loctite 638 Retaining Compound 50ml | High-Strength Retainer | High Temperature & Oil Resistant | Fast Fixture Time | High Viscosity | Bonds Shafts, Gears & Pulleys : desertcart.in: Industrial & Scientific

Review: Loctite 638 - Good
Review: Excellent product - This does it work perfectly. I wanted it to seal the bottom bracket of my carbon frame cycle and it worked..

## Features

- It is made up of premium quality material
- It is durable and long lasting
- It ensures you get the best usage for a longer period

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0074NAX8A |
| Are batteries included? | No |
| Best Sellers Rank | #25,989 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #380 in Universal Adhesives |
| Brand | Loctite |
| Colour | Red |
| Country of Origin | India |
| Customer Reviews | 4.2 4.2 out of 5 stars (71) |
| Date First Available | 26 January 2016 |
| Item Dimensions LxWxH | 10 x 10 x 15 Centimeters |
| Item Form | Liquid |
| Item Height | 15 Centimeters |
| Item Package Quantity | 1 |
| Item Volume | 50 Millilitres |
| Item Weight | 80 g |
| Item Width | 10 Centimeters |
| Item model number | LOCTITE 638-50ml |
| Manufacturer | Henkel Adhesives Technologies India Private Limited Plot No. D4/1, Kurkumbh Daundh MIDC Pune - 413 802 Maharashtra, India, Loctite |
| Material | Methacrylate Ester |
| Model number | LOCTITE 638-50ml |
| Net Quantity | 50 Milliliters |
| Number of Memory Sticks | 1 |
| Number of Pieces | 1 |
| Package Information | Bottle |
| Packer | Henkel Adhesives Technologies India Private Limited Plot No. D4/1, Kurkumbh Daundh MIDC Pune - 413 802 Maharashtra, India |
| Product Dimensions | 10 x 10 x 15 cm; 80 g |
| Special Feature | durable |
| Specific Uses For Product | durable |
| UPC | 079340214484 |
| Viscosity | high viscosity |
| Viscosity Level | High |
| Water Resistance Level | Waterproof |

## Product Details

- **Brand:** Loctite
- **Item Form:** Liquid
- **Material:** Methacrylate Ester
- **Special Feature:** durable
- **Specific Uses For Product:** durable

## Images

![638 Retaining Compound 50ml | High-Strength Retainer | High Temperature & Oil Resistant | Fast Fixture Time | High Viscosity | Bonds Shafts, Gears & Pulleys - Image 1](https://m.media-amazon.com/images/I/71vsThz0VjL.jpg)

## Questions & Answers

**Q: Whats the operating temp of loctite 638 tm.....we have hair crack or say void in the mig-welded metal part....resulting into water sippage...**
A: Upto 180 deg Celsius after full cure. But shouldn't be used to fill hair crack. Use Loctite 290 instead for hair cracks.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Loctite 638
*by S***N on 2 February 2026*

Good

### ⭐⭐⭐⭐⭐ Excellent product
*by S***P on 2 February 2025*

This does it work perfectly. I wanted it to seal the bottom bracket of my carbon frame cycle and it worked..

### ⭐⭐⭐⭐⭐ Loctile 638
*by P***L on 28 December 2020*

It's a excellent bearing retainer

## Frequently Bought Together

- LOCTITE®638-50ml| Retainer |high strength|high temperature performance | good oil tolerance| fast fixture time |tolerates minor contaminants| mild steel |high viscosity |for shafts, gears, pulleys|
- Loctite 243 threadlocker 50 ml bottle (pack of 2)

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**Shop now:** [https://www.desertcart.es/products/227407182-638-retaining-compound-50ml-high-strength-retainer-high-temperature-oil](https://www.desertcart.es/products/227407182-638-retaining-compound-50ml-high-strength-retainer-high-temperature-oil)

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*Product available on Desertcart Spain*
*Store origin: ES*
*Last updated: 2026-02-10*