---
product_id: 17520483
title: "21448 Green 638 High Strength Retaining Compound, 50 mL Bottle"
brand: "loctite"
price: "4042 som"
currency: KGS
in_stock: true
reviews_count: 13
category: "Loctite"
url: https://www.desertcart.kg/products/17520483-21448-green-638-high-strength-retaining-compound-50-ml-bottle
store_origin: KG
region: Kyrgyzstan
---

# High strength hold Locks up to 0.010" clearance 5 min fixture time 21448 Green 638 High Strength Retaining Compound, 50 mL Bottle

**Brand:** loctite
**Price:** 4042 som
**Availability:** ✅ In Stock

## Summary

> 🔧 Lock it down, level up your build!

## Quick Answers

- **What is this?** 21448 Green 638 High Strength Retaining Compound, 50 mL Bottle by loctite
- **How much does it cost?** 4042 som with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.kg](https://www.desertcart.kg/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

- • **Vibrant Green Formula:** Easily identifiable green color ensures you know where the strength is applied.
- • **Rapid 5-Minute Fixture:** Get your assemblies locked and loaded in just minutes—no downtime, no waiting.
- • **Precision Fit Guarantee:** Secures cylindrical parts with up to 0.010" diametral clearance for perfect alignment.
- • **Unmatched Holding Power:** Engineered to withstand high dynamic forces and cyclic loads for rock-solid reliability.
- • **Trusted Industrial Standard:** Ranked #5 in retaining compounds, backed by Loctite’s legacy of quality and performance.

## Overview

Loctite 21448 Green 638 is a high-strength retaining compound designed for heavy-duty cylindrical assemblies. It cures in 5 minutes, locking parts with up to 0.010" clearance, making it ideal for applications with high dynamic or cyclic loads. Trusted by professionals, this medium-viscosity liquid ensures long-term reliability in demanding repair and industrial settings.

## 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: Heavy-duty hold for motorcycle components - Used this for my motorcycle mods and it’s been rock solid. The grip strength is serious — once it sets, things aren’t moving. Perfect for press-fit or cylindrical parts. Just make sure alignment is right before it cures, because it’s not forgiving. Definitely worth it for long-term reliability

## 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 | #13,070 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 665 Reviews |
| Full Cure Time | 5 Minutes |
| Global Trade Identification Number | 00079340006393, 00079340214484 |
| Included Components | Item |
| Item Form | Liquid |
| Item Package Quantity | 1 |
| Item Weight | 0.18 Pounds |
| 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/81lbCjVCb4L.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

### ⭐⭐⭐⭐⭐ Heavy-duty hold for motorcycle components
*by O***N on June 23, 2025*

Used this for my motorcycle mods and it’s been rock solid. The grip strength is serious — once it sets, things aren’t moving. Perfect for press-fit or cylindrical parts. Just make sure alignment is right before it cures, because it’s not forgiving. Definitely worth it for long-term reliability

### ⭐⭐⭐⭐⭐ Holds threads.
*by M***. on September 23, 2025*

Holds threads. Loctite is the top brand.

## 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.kg/products/17520483-21448-green-638-high-strength-retaining-compound-50-ml-bottle](https://www.desertcart.kg/products/17520483-21448-green-638-high-strength-retaining-compound-50-ml-bottle)

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*Product available on Desertcart Kyrgyzstan*
*Store origin: KG*
*Last updated: 2026-05-27*