---
product_id: 17520483
title: "21448 Green 638 High Strength Retaining Compound, 50 mL Bottle"
brand: "loctite"
price: "102.43 DT"
currency: TND
in_stock: true
reviews_count: 13
category: "Loctite"
url: https://www.desertcart.tn/products/17520483-21448-green-638-high-strength-retaining-compound-50-ml-bottle
store_origin: TN
region: Tunisia
---

# Distinctive green formula 5 min fixture time Max strength retention 21448 Green 638 High Strength Retaining Compound, 50 mL Bottle

**Brand:** loctite
**Price:** 102.43 DT
**Availability:** ✅ In Stock

## Summary

> 🛠️ Lock it down fast, lock it down strong!

## Quick Answers

- **What is this?** 21448 Green 638 High Strength Retaining Compound, 50 mL Bottle by loctite
- **How much does it cost?** 102.43 DT with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/17520483-21448-green-638-high-strength-retaining-compound-50-ml-bottle)

## 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 Fixture Time:** Achieves full cure in just 5 minutes—get back to work faster and more confident.
- • **Precision Gap Filling:** Medium viscosity formula fills gaps perfectly, ensuring a permanent, reliable bond.
- • **Unmatched Holding Power:** Locks cylindrical assemblies with up to 0.010" diametral clearance for ultimate durability.
- • **Engineered for Alloy Steel:** Optimized compatibility guarantees peak performance on high-strength metal assemblies.
- • **Trusted Industrial Standard:** Ranked #3 in retaining compounds with a stellar 4.7-star rating from 674 pros.

## Overview

Loctite 638 Green High Strength Retaining Compound is a premium industrial adhesive designed for high dynamic loads and cyclic stress. It securely locks cylindrical parts with up to 0.010" clearance, cures fully in 5 minutes, and is specially formulated for alloy steel assemblies. Trusted by professionals worldwide, it delivers permanent, gap-filling strength in a convenient 50 mL bottle.

## Description

Loctite 638 is a maximum strength retaining compound for use where high dynamic force or cyclic loading is expected. Locks cylindrical assemblies up to 0.010" diametral clearance. Fixtures in 5 minutes.

Review: Works like it should. Made for India market so the label looks odd. - Worked like it should
Review: This is a gap filling loctite product and is permanent - Arrived in perfect condition.

## Features

- Approvals: Canadian Food Inspection Agency (CFIA)
- Item Package Length: 5.99999999388"
- Item Package Width: 1.99999999796"
- Item Package Height: 1.099999998878"

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B000O01EV0 |
| Best Sellers Rank | #18,252 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #3 in Retaining Compounds |
| Brand | Loctite |
| Brand Name | Loctite |
| Color | Green |
| Compatible Material | Alloy Steel |
| Container Type | Bottle |
| Customer Reviews | 4.7 out of 5 stars 674 Reviews |
| Full Cure Time | 5 Minutes |
| Global Trade Identification Number | 00079340006393, 00079340214484 |
| Included Components | Item |
| Item Form | Liquid |
| Item Package Quantity | 1 |
| Item Weight | 2.88 ounces |
| Manufacturer | Loctite |
| Material | [Loctite 638 Compound] |
| Material Type | [Loctite 638 Compound] |
| Model | 21448 |
| Other Special Features of the Product | Green |
| Part Number | 21448 |
| Special Feature | Green |
| Specific Uses For Product | Repair |
| UPC | 079340214484 079340006393 |
| Unit Count | 1.69 Fluid Ounces |
| Viscosity Level | Medium |
| Volume | 50 Milliliters |
| Water Resistance Level | Not Water Resistant |

## Product Details

- **Brand:** Loctite
- **Color:** Green
- **Item Form:** Liquid
- **Special Feature:** Green
- **Specific Uses For Product:** Repair

## Images

![21448 Green 638 High Strength Retaining Compound, 50 mL Bottle - Image 1](https://m.media-amazon.com/images/I/412NF8GNOhL.jpg)

## Questions & Answers

**Q: How much should a new bottle weigh? Mine feels kind of empty.**
A: The bottle should be half empty. The air is required to prevent it from hardening in the bottle.

**Q: What Country is this product make in ?**
A: India

**Q: Would this work on O.D. Rubber seal surface to metal housing? (or only metal to metal?**
A: It's only designed for metal to metal

**Q: Does well does "638" provide sealing properties?  Thank you**
A: Real non counterfeit loctite has a QR verification code on the bottle I returned mine

## Customer Reviews

### ⭐⭐⭐⭐⭐ Works like it should. Made for India market so the label looks odd.
*by X***X on April 10, 2026*

Worked like it should

### ⭐⭐⭐⭐⭐ This is a gap filling loctite product and is permanent
*by L***E on May 20, 2026*

Arrived in perfect condition.

### ⭐⭐⭐⭐⭐ Buena marca y calidad
*by W***. on June 2, 2026*

Excelente producto

## Frequently Bought Together

- Loctite 21448 Green 638 High Strength Retaining Compound, 50 mL Bottle
- Loctite 620 442-62040 50ml Retaining Compound, High Temperature, Green Color
- 21347 Loctite Primer N 7649, Aerosol Can, 25g, Green

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**Shop now:** [https://www.desertcart.tn/products/17520483-21448-green-638-high-strength-retaining-compound-50-ml-bottle](https://www.desertcart.tn/products/17520483-21448-green-638-high-strength-retaining-compound-50-ml-bottle)

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*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-07-10*