---
product_id: 17520675
title: "Loctite Thread Sealant, 545 Hydraulic/Pneumatic Seal, 0.5 mL"
brand: "loctite"
price: "VT3401"
currency: VUV
in_stock: true
reviews_count: 8
url: https://www.desertcart.vu/products/17520675-loctite-thread-sealant-545-hydraulic-pneumatic-seal-0-5-ml
store_origin: VU
region: Vanuatu
---

# Superior hydraulic & pneumatic sealing High-strength thread locking Made in USA quality assurance Loctite Thread Sealant, 545 Hydraulic/Pneumatic Seal, 0.5 mL

**Brand:** loctite
**Price:** VT3401
**Availability:** ✅ In Stock

## Summary

> 🔧 Seal it tight, work it right — don’t let leaks hold you back!

## Quick Answers

- **What is this?** Loctite Thread Sealant, 545 Hydraulic/Pneumatic Seal, 0.5 mL by loctite
- **How much does it cost?** VT3401 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/17520675-loctite-thread-sealant-545-hydraulic-pneumatic-seal-0-5-ml)

## 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

- • **Compact & Portable:** Small package fits easily in any professional toolkit or maintenance kit
- • **Precision Micro-Dose:** 0.5 mL size perfect for controlled application without waste
- • **Versatile Compatibility:** Ideal for both hydraulic and pneumatic fittings, boosting system reliability
- • **Lock & Seal with Confidence:** Ensures leak-proof, vibration-resistant connections for critical systems
- • **Trusted American Craftsmanship:** Manufactured in the USA, guaranteeing premium quality and performance

## Overview

Loctite Thread Sealant 545 is a high-performance liquid sealant designed to lock and seal threaded connections in hydraulic and pneumatic systems. Packaged in a precise 0.5 mL dose, it offers reliable leak prevention and vibration resistance, made with trusted American manufacturing standards.

## Description

For those who are looking for a liquid sealant for fixing tapered fittings, there isn’t any better product than Loctite 234428 54505. It cures anaerobic and is the best for locking and sealing high pressure fluid power systems. Available in 0.5o ml. packing, its colored purple and can be used on most metals.

## Features

- Liquid sealant for locking and sealing
- Package Dimensions: 7.62 H x 0.254 L x 3.175 W (centimeters)
- Package Weight: 0.023 kilograms
- Country of Origin : United States

## Product Details

- **Material:** Polytetrafluoroethylene (PTFE) or a similar sealant material
- **Brand:** Loctite
- **Style:** Capsule
- **Water Resistance Level:** Not Water Resistant
- **Item Form:** Liquid

## Images

![Loctite Thread Sealant, 545 Hydraulic/Pneumatic Seal, 0.5 mL - Image 1](https://m.media-amazon.com/images/I/31CaYad9bFL.jpg)

## Available Options

This product comes in different **Size, Style** options.

## Questions & Answers

**Q: If you have to remove something, like a pressure release valve that goes bad, is it difficult to get the valve loose again?**
A: I had no problem removing fittings on an air compressor that I used this loctite on. I cleaned the treads with a pipe tap and die then reapplied the loctite to the same parts on reassemble.

**Q: At the top it says "price: $33.20  ($16.60 / item)  & free shipping" and down below it says sold as 1 each.  so are there 2 bottles or 1?**
A: 1 bottle is $33.2

**Q: How do you use it, do you apply it and let it dry and then you thread it? Or do you apply it thread it and then let it dry?**
A: I used it for a seal on a motor, I put it on the seal and pressed it in and let it dry, I assume it would be the same with using as a thread sealent. Just squeeze a line down the threads and screw it in.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Its Loctite great product.
*by A***. on March 12, 2024*

I used this product to seal fittings on a rebuild of a old air compressor. Product performed flawlessly.

### ⭐⭐⭐⭐⭐ Sealed My Hydraulic Connections
*by J***B on June 7, 2021*

Had trouble with hydraulic connections dripping. Searched for a solution and found this product. It's more expensive than the product that failed but is certainly worth the extra money. Used a brush and 100% Acetone to clean the old sealant off the male and female threads. Loctite has a product for this but the MDS sheet showed it was 80+% Acetone so i decided to skip the Loctite cleaner. Let the cleaned fittings sit for several hours to dry and applied this product to the male threads and assembled each of the 4 fittings i had individually. Let them sit for 2 days (twice the recommended time). Zero leaks now.

### ⭐⭐⭐⭐⭐ The bottle is NOT supposed to be full!
*by A***E on August 14, 2023*

As with all of Loctite's sealers and thread lockers this product is ANAEROBIC CURING. That means that is cures in the absence of air/oxygen. If the bottle was filled to the top it would be a solid hard useless lump by the time it was delivered to the customer. The bottle is filled to the correct amount when it is less than half full. Same with any liquid that oozes out of a connection. The sealer that is not exposed to air CURES. That which squeezes out eventually DRIES OUT (not the same as curing) but it has no sealing power.

## Frequently Bought Together

- Loctite Thread Sealant, 545 Hydraulic/Pneumatic Seal, 0.5 mL, 0.01 Fl Oz (Pack of 1)
- CRC Brakleen 1003695 Brake Cleaner Spray Non-Chlorinated Low VOC, 14 oz, [1 Pack]

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**Shop now:** [https://www.desertcart.vu/products/17520675-loctite-thread-sealant-545-hydraulic-pneumatic-seal-0-5-ml](https://www.desertcart.vu/products/17520675-loctite-thread-sealant-545-hydraulic-pneumatic-seal-0-5-ml)

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*Product available on Desertcart Vanuatu*
*Store origin: VU*
*Last updated: 2026-02-16*