---
product_id: 179668384
title: "JoyTube 3/8\" NPT Pipe Plug Male Thread Stainless Steel Fitting Countersunk Internal Hex Head(Pack of 3)"
brand: "joytube"
price: "65 zł"
currency: PLN
in_stock: true
reviews_count: 8
url: https://www.desertcart.pl/products/179668384-joytube-3-8-npt-pipe-plug-male-thread-stainless-steel
store_origin: PL
region: Poland
---

# Hex Countersunk Head - enhanced wrench leverage 3/8" NPT Male Thread - precision fit 304 Stainless Steel - corrosion resistant & durable JoyTube 3/8" NPT Pipe Plug Male Thread Stainless Steel Fitting Countersunk Internal Hex Head(Pack of 3)

**Brand:** joytube
**Price:** 65 zł
**Availability:** ✅ In Stock

## Summary

> 🔧 Seal it like a pro — durability meets precision in every twist!

## Quick Answers

- **What is this?** JoyTube 3/8" NPT Pipe Plug Male Thread Stainless Steel Fitting Countersunk Internal Hex Head(Pack of 3) by joytube
- **How much does it cost?** 65 zł with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/products/179668384-joytube-3-8-npt-pipe-plug-male-thread-stainless-steel)

## Best For

- joytube enthusiasts

## Why This Product

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

## Key Features

- • **Built to Last:** Crafted from premium 304 stainless steel for unmatched corrosion resistance and heavy-duty durability.
- • **Versatile Application:** Perfect for sealing intake manifold water ports, water pump ports, and engine block holes.
- • **Value Pack Convenience:** Includes 3 plugs, giving you multiple reliable solutions in one sleek package.
- • **Effortless Installation:** Hex countersunk head design offers superior wrench grip for quick, reliable tightening.
- • **Precision Threaded Seal:** 3/8" NPT male threads ensure a leak-proof, secure connection every time.

## Overview

The JoyTube 3/8" NPT Pipe Plug is a high-quality stainless steel fitting designed to securely close pipe ends with a precision male thread. Featuring a hex countersunk head for enhanced wrench leverage, this durable 304 stainless steel plug resists corrosion and is ideal for automotive and industrial applications such as sealing water and oil ports. Sold in a convenient pack of three, it offers reliable performance and long-lasting protection.

## Description

Specification:This hex countersunk plug is a 304 stainless steel cast pipe fitting with male National Pipe Taper (NPT) threads for closing the end of a pipe.  This countersunk plug has a recessed hex head for increased leverage with a wrench during installation and disassembly.  It inserts into female pipes or fittings and connects with NPT threads, which creates a tighter seal than straight threads.  The stainless construction is higher strength and corrosion resistant.Pipe fittings are components used for connecting, terminating, controlling flow, and changing the direction of piping in many different industries. Size: 3/8"Quantity: 3pcs

## Features

- 【Use】Hex countersunk head for increased leverage and use with a wrench.
- 【Function】Socket Hex head solid plug for closing and terminating the end of a pipe.
- 【Material】Made of 304 stainless steel, heavy duty, durable and corrosion resistant.
- 【Application】Great for blocking off intake manifold water ports, water pump ports, water temp and oil sender holes, engine block.
- 【Design】Male National Pipe Taper (NPT) threads for use with female threaded pipes; 3/8" NPT Male, male pipe threads for connecting to female threaded pipes or fittings.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Size | 3/8 Inch |
| Material | Stainless Steel |
| Brand | JoyTube |
| Color | Silver |
| Connector Type | Plug |
| Thread Size | 3/8 |
| Thread Type | NPT |
| Item Weight | 0.04 Kilograms |
| Number of Pieces | 3 |
| Manufacturer | CellarBrew |
| UPC | 727161370420 |
| Part Number | al4-940-hcp |
| Item Weight | 1.44 ounces |
| Package Dimensions | 4.72 x 1.97 x 0.35 inches |
| Item model number | al4-940-hcp |
| Style | 3pcs |
| Shape | plug |
| Measurement System | inch |
| Batteries Included? | No |
| Batteries Required? | No |

## Product Details

- **Size:** 3/8 Inch
- **Material:** Stainless Steel
- **Brand:** JoyTube
- **Color:** Silver
- **Connector Type:** Plug
- **Thread Size:** 3/8
- **Thread Type:** NPT
- **Item Weight:** 0.04 Kilograms
- **Number of Pieces:** 3
- **Manufacturer:** CellarBrew

## Images

![JoyTube 3/8" NPT Pipe Plug Male Thread Stainless Steel Fitting Countersunk Internal Hex Head(Pack of 3) - Image 1](https://m.media-amazon.com/images/I/61gYj9yVaRL.jpg)
![JoyTube 3/8" NPT Pipe Plug Male Thread Stainless Steel Fitting Countersunk Internal Hex Head(Pack of 3) - Image 2](https://m.media-amazon.com/images/I/51fhi8y3f2L.jpg)
![JoyTube 3/8" NPT Pipe Plug Male Thread Stainless Steel Fitting Countersunk Internal Hex Head(Pack of 3) - Image 3](https://m.media-amazon.com/images/I/51sgXHoBgyL.jpg)
![JoyTube 3/8" NPT Pipe Plug Male Thread Stainless Steel Fitting Countersunk Internal Hex Head(Pack of 3) - Image 4](https://m.media-amazon.com/images/I/51E8vtZOXNL.jpg)
![JoyTube 3/8" NPT Pipe Plug Male Thread Stainless Steel Fitting Countersunk Internal Hex Head(Pack of 3) - Image 5](https://m.media-amazon.com/images/I/51lZwx69w+L.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Finish looks solid.
*by S***D on February 18, 2024*

As others have said… just a plug. But the finish appears to be solid leading me to be less concerned about flaking and oxidizing.

### ⭐⭐⭐⭐⭐ JoyTube 3/4" NPT Pipe Plug Male Thread Stainless
*by P***T on February 22, 2024*

This is a great plug for the 69 Chevy small block aluminum intake manifold, right size great product.

### ⭐⭐⭐⭐⭐ Good countersunk plugs.
*by C***4 on June 28, 2023*

Good countersunk plugs., the threads burr-less and did not leak, good job.

## Frequently Bought Together

- JoyTube 3/8" NPT Pipe Plug Male Thread Stainless Steel Fitting Countersunk Internal Hex Head(Pack of 3)
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- Drill America - POU3/8NPTW/DRILL 3/8" Carbon Steel NPT Pipe Tap and 37/64" High Speed Steel Drill Bit Set, POU Series

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*Product available on Desertcart Poland*
*Store origin: PL*
*Last updated: 2026-01-22*