---
product_id: 45059808
title: "577 Thread Sealant 50 mL Tube | Medium Strength, For Metal Threads"
price: "5033 som"
currency: KGS
in_stock: true
url: https://www.desertcart.kg/products/45059808-577-thread-sealant-50-ml-tube-medium-strength-for-metal
store_origin: KG
region: Kyrgyzstan
---

# Medium-strength sealant Instant low-pressure seal Fast cure at low temps 577 Thread Sealant 50 mL Tube | Medium Strength, For Metal Threads

**Price:** 5033 som
**Availability:** ✅ In Stock

## Summary

> 🔩 Lock it down instantly, no leaks allowed!

## Quick Answers

- **What is this?** 577 Thread Sealant 50 mL Tube | Medium Strength, For Metal Threads
- **How much does it cost?** 5033 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/45059808-577-thread-sealant-50-ml-tube-medium-strength-for-metal)

## Best For

- Customers looking for quality international products

## Why This Product

- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Gel-Like Formula:** Minimizes migration and mess after application
- • **Cold-Weather Ready:** Fast curing even in low-temperature environments
- • **Seal & Lock in One Step:** Combines sealing and locking for secure metal threads
- • **Chemical & Thermal Resilience:** Stands strong against harsh chemicals and heat
- • **Versatile Metal Compatibility:** Works flawlessly on all metal types without primers

## Overview

Loctite 577 is a medium-strength, general-purpose thread sealant designed for metal pipes and fittings. It provides an instant low-pressure seal, cures quickly even on lightly contaminated surfaces without primers, and offers excellent chemical and thermal resistance with minimal product migration.

## Description

Medium-strength, general purpose thread sealant for straight/straight and straight/taper threads and fittings. Fills the space between threaded parts and seals and locks at the same time. Loctite 577 thread sealant is a medium-strength, general purpose thread sealant for straight/straight and taper/straight threads and fittings. Great for overhead applications and fast application at low temperatures. Excellent chemical and thermal resistance; gel-like form results in less migration of product after application. Loctite 577 is designed for the locking and sealing of metal pipes and fittings as well as other threaded assemblies. The product provides an instant, low-pressure seal for metal pipes and fittings. It will not creep, shrink or shred. Suitable for fast application at low temperatures. Cures on lightly contaminated surfaces and does not require a primer on inactive metals. It has excellent chemical and thermal resistance and offers less migration of liquid product after application to the part.

## Features

- General purpose, medium strength liquid thread sealant for sealing metal threads
- Suitable for all metals types
- Instant low pressure seal
- Item Package Dimension: 5.0" L x 3.0" W x 1.0" H

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Customer Reviews | 4.6 out of 5 stars 137 Reviews |

## Product Details

- **Brand:** Loctite
- **Item Weight:** 0.07 Pounds
- **Item dimensions L x W x H:** 1 x 1 x 1 inches
- **Material:** Polymer-based material
- **Style:** Compact

## Images

![577 Thread Sealant 50 mL Tube | Medium Strength, For Metal Threads - Image 1](https://m.media-amazon.com/images/I/31GlweUnD+L.jpg)

## Questions & Answers

**Q: Can this be used on natural gas grill orifices?**
A: No. Heat is used to loosen this sealant. Use pipe dope.

**Q: Is this compatible with propane lines?**
A: It should be I never used it 
I did used it on auto gas systems which are a propane mix

**Q: Would I need to use the 7649 primer if I was screwing a brass fitting (active metal) into a stainless steel (inactive metal)?**
A: Actually I would recommend anti-seize compound.  This will lock the thread where anti-seize will prevent reaction between dissimilar metals

## Frequently Bought Together

- 577 Thread Sealant 50 mL Tube
- Loctite 2087067 567 Thread Sealant 50 mL Tube, White (Pack of 1)
- Loctite 1329467 243 Blue Medium Strength Threadlockers, 1.69 Ounces, 50 mL, 3/4" Thread

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**Shop now:** [https://www.desertcart.kg/products/45059808-577-thread-sealant-50-ml-tube-medium-strength-for-metal](https://www.desertcart.kg/products/45059808-577-thread-sealant-50-ml-tube-medium-strength-for-metal)

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*Product available on Desertcart Kyrgyzstan*
*Store origin: KG*
*Last updated: 2026-07-25*