---
product_id: 1142180
title: "Merco Tape M78 Threadmaster PTFE Premium Full Density Thread Seal Tape with Nickel, 260\" Length, 1/2\" Width, 3-1/2 mil Thick, For Stainless Steel Pipes, Gray"
brand: "merco tape"
price: "FREE"
currency: SCR
in_stock: false
url: https://www.desertcart.sc/products/1142180-merco-tape-m78-threadmaster-ptfe-premium-full-density-thread-seal
store_origin: SC
region: Seychelles
---

# Mil-Spec Compliant Temp Range: -450°F to +550°F USA Made Merco Tape M78 Threadmaster PTFE Premium Full Density Thread Seal Tape with Nickel, 260" Length, 1/2" Width, 3-1/2 mil Thick, For Stainless Steel Pipes, Gray

**Brand:** merco tape
**Price:** FREE
**Availability:** ❌ Out of Stock

## Summary

> Seal the Deal with Confidence! 🔒

## Quick Answers

- **What is this?** Merco Tape M78 Threadmaster PTFE Premium Full Density Thread Seal Tape with Nickel, 260" Length, 1/2" Width, 3-1/2 mil Thick, For Stainless Steel Pipes, Gray by merco tape
- **How much does it cost?** FREE with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.sc](https://www.desertcart.sc/products/1142180-merco-tape-m78-threadmaster-ptfe-premium-full-density-thread-seal)

## Best For

- merco tape enthusiasts

## Why This Product

- Trusted merco tape brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Generous Length:** 260 inches of tape to tackle multiple projects without interruption.
- • **Nickel Infusion:** Nickel-impregnated PTFE for superior anti-galling properties.
- • **Professional Grade:** Complies with stringent military specifications for peace of mind.
- • **Precision Thickness:** 3-1/2 mil thick for optimal sealing performance.
- • **Unmatched Durability:** Engineered for extreme temperatures, ensuring reliability in any environment.

## Overview

The Merco Tape M78 Threadmaster is a premium PTFE thread seal tape designed for high-performance applications, particularly in stainless steel piping. With a robust operating temperature range and military compliance, this tape ensures a secure and leak-free seal, making it an essential tool for professionals in plumbing and industrial settings.

## Description

Merco Threadmaster® M78 is a full density PTFE tape impregnated with nickel for use with Stainless Steel connections and fittings. Produced in the USA. Offers an operating temperature range of -450 to +550 degrees Fahrenheit. Complies with Mil-T-27730A and more importantly the much more stringent A-A-58092. Used for anti-galling in stainless steel pipes. Increases part life by reducing friction. Do not confuse this premium product with 'plain gray PTFE'.

## Features

- About this item
- Produced in the USA using Nickel Impregnated PTFE
- Operating temperature range of -450 to +550 degrees Fahrenheit
- Complies with Mil-T-27730A and A-A-58092
- Used for anti-galling in stainless steel threaded connections
- Measures 3-1/2 mil thick by 260" length by 1/2" width by 1.5 grams per cubic centimeter density

## Images

![Merco Tape M78 Threadmaster PTFE Premium Full Density Thread Seal Tape with Nickel, 260" Length, 1/2" Width, 3-1/2 mil Thick, For Stainless Steel Pipes, Gray - Image 1](https://images-na.ssl-images-amazon.com/images/I/61jJ-zf%2BwcL.jpg)

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**Shop now:** [https://www.desertcart.sc/products/1142180-merco-tape-m78-threadmaster-ptfe-premium-full-density-thread-seal](https://www.desertcart.sc/products/1142180-merco-tape-m78-threadmaster-ptfe-premium-full-density-thread-seal)

---

*Product available on Desertcart Seychelles*
*Store origin: SC*
*Last updated: 2026-02-20*