---
product_id: 330391430
title: "KOOTANS 4pcs Heavy Duty 3/8 NPT Male Thread to 1/4 NPT Female Thread Brass Reducers Hex Bushing Brass Fitting Pipe Hose Tube Adapter Convert (4)"
brand: "kootans"
price: "4265 kr"
currency: ISK
in_stock: true
reviews_count: 5
category: "Kootans"
url: https://www.desertcart.is/products/330391430-kootans-4pcs-heavy-duty-3-8-npt-male-thread-to
store_origin: IS
region: Iceland
---

# -65°F to +250°F temperature resilience 3/8 NPT male to 1/4 NPT female precision fit 1200 psi heavy-duty pressure rating KOOTANS 4pcs Heavy Duty 3/8 NPT Male Thread to 1/4 NPT Female Thread Brass Reducers Hex Bushing Brass Fitting Pipe Hose Tube Adapter Convert (4)

**Brand:** kootans
**Price:** 4265 kr
**Availability:** ✅ In Stock

## Summary

> 🔧 Upgrade your flow game with KOOTANS – where precision meets power!

## Quick Answers

- **What is this?** KOOTANS 4pcs Heavy Duty 3/8 NPT Male Thread to 1/4 NPT Female Thread Brass Reducers Hex Bushing Brass Fitting Pipe Hose Tube Adapter Convert (4) by kootans
- **How much does it cost?** 4265 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.is](https://www.desertcart.is/products/330391430-kootans-4pcs-heavy-duty-3-8-npt-male-thread-to)

## Best For

- kootans enthusiasts

## Why This Product

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

## Key Features

- • **Built to Endure:** Premium forged brass construction delivers unmatched corrosion resistance and durability.
- • **Temperature Tough:** Operates flawlessly from freezing -65°F to scorching +250°F, adapting to any environment.
- • **High-Pressure Ready:** Rated for up to 1200 psi, perfect for demanding industrial and DIY projects.
- • **Versatile Compatibility:** Seamlessly connects pipes of different diameters for plumbing, air, gas, and hydraulic systems.
- • **Precision Engineered Fit:** Deep, accurate NPT threads ensure leak-proof, secure connections every time.

## Overview

KOOTANS 4-piece brass reducer set converts 3/8 NPT male threads to 1/4 NPT female with expertly forged brass fittings. Designed for high-pressure (1200 psi) and extreme temperature (-65°F to +250°F) applications, these hex bushings provide durable, corrosion-resistant connections ideal for plumbing, compressed air, gas, and hydraulic systems. Each piece features deep, tapered NPT threads for a secure, leak-resistant fit, making them a must-have for professionals and DIY enthusiasts aiming for flawless pipe adaptation.

## Description

KOOTANS 4pcs Heavy Duty 3/8 NPT Male Thread to 1/4 NPT Female Thread Brass Reducer Hex Bushing Brass Fitting Pipe Hose Tube Adapter Convert Material: Heavy Duty forged brass, strong and durable. Operating temperatures range from -65°F to +250°F (-53°C to +121°C). 1200 psi operating pressure. Size: 3/8 NPT male thread to 1/4 NPT female thread hex bushing. PLEASE NOTE, brass pipe reducers are the American NPT standard thread, with 60 degree taper, so 3/8 NPT measured value is 0.58~0.67inches, 1/4 NPT measured value is 0.45~0.54inches. Features: 1. For connecting a female and a male pipe or fitting with different diameters. NPT Female and male thread with hard connect way, it does not need sealing for most situation. 2. This fitting is made of brass for corrosion resistance, ductility at high temperatures, and low magnetic permeability. 3. Designed for use in air, oil, gas, etc. Package includes: 4 pieces 3/8 Male NPT to 1/4 Female NPT brass hex bushing reducers.

Review: Very pleased with purchase, well made and fits perfect for my DIY air compressor manifold build.
Review: High quality

## Features

- SIZE: 3/8 NPT male thread to 1/4 NPT female thread hex bushing. PLEASE NOTE, NPT Thread Size is a nominal pipe size and it does not represent the actual diameter. Please look the size chart for the specific thread diameter. NPT thread has a 60° taper, so usually unable to screw the thread to the end
- MATERIAL: Premium forged brass reducer, thicker and stronger, durable, threads are deep and accurate, high corrosion resistance, low magnetic permeability and high temperature ductility. Quantity: 4pieces 3/8 to 1/4 npt reducing brass bushing adapters
- EXQUISITE TECHNOLOGY: Brass pipe fittings are designed with deep and accurate thread to ensure tight and no leak connection and easy installation. NPT thread has better sealing performance than straight thread. Can use teflon tape before installation to further strengthen the seal and prevent air leakage
- Operating Pressure: 1200 psi, Temperature Range of -65°F to +250°F (-53°C to +121°C). It's hard connect way and in most cases do not require sealant
- FUNCTION: Used to connect female and male pipes with different diameters. Apply to plumbing connections, compressed air, hydraulic, gas and other applications, hex nut for easy tightening and loosening

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07P5SBMSL |
| ASIN  | B07P5SBMSL |
| Batteries Included? | No |
| Batteries Required? | No |
| Best Sellers Rank | #135,854 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #1,107 in Industrial Pipe Fittings |
| Color | NPT Size is the nominal pipe code, it does not represent the actual diameter. Please check the size chart before buying. |
| Customer Reviews | 4.7 4.7 out of 5 stars (1,246) |
| Customer reviews | 4.7 4.7 out of 5 stars (1,246) |
| Date First Available | 22 April 2020 |
| Date First Available  | 22 April 2020 |
| Finish | Brass |
| Included components | 3/8 NPT Male Thread to 1/4 NPT Female |
| Item Package Quantity | 4 |
| Item Weight | 45.4 g |
| Item model number | CA-3220CB-4 |
| Item model number  | CA-3220CB-4 |
| Manufacturer | KOOTANS |
| Manufacturer  | KOOTANS |
| Material | Brass |
| Measurement System | inch |
| Number Of Pieces | 4 |
| Package Dimensions | 8.89 x 7.62 x 1.9 cm; 45.36 g |
| Package Dimensions  | 8.89 x 7.62 x 1.9 cm; 45.36 g |
| Part number | 3220CB |
| Size | 3/8 x 1/4 NPT (O.D x I.D: 5/8'' x 1/2'') |
| Specification met | ANSI B16, ASTM B584 |

## Product Details

- **Brand:** KOOTANS
- **Connector type:** Reducer
- **Material:** Brass
- **Size:** 3/8 x 1/4 NPT (O.D x I.D: 5/8'' x 1/2'')

## Images

![KOOTANS 4pcs Heavy Duty 3/8 NPT Male Thread to 1/4 NPT Female Thread Brass Reducers Hex Bushing Brass Fitting Pipe Hose Tube Adapter Convert (4) - Image 1](https://m.media-amazon.com/images/I/616+3nkqH5L.jpg)
![KOOTANS 4pcs Heavy Duty 3/8 NPT Male Thread to 1/4 NPT Female Thread Brass Reducers Hex Bushing Brass Fitting Pipe Hose Tube Adapter Convert (4) - Image 2](https://m.media-amazon.com/images/I/71Wn9gnuxtL.jpg)
![KOOTANS 4pcs Heavy Duty 3/8 NPT Male Thread to 1/4 NPT Female Thread Brass Reducers Hex Bushing Brass Fitting Pipe Hose Tube Adapter Convert (4) - Image 3](https://m.media-amazon.com/images/I/71ZUBX2McnL.jpg)
![KOOTANS 4pcs Heavy Duty 3/8 NPT Male Thread to 1/4 NPT Female Thread Brass Reducers Hex Bushing Brass Fitting Pipe Hose Tube Adapter Convert (4) - Image 4](https://m.media-amazon.com/images/I/71d+aP+iF3L.jpg)
![KOOTANS 4pcs Heavy Duty 3/8 NPT Male Thread to 1/4 NPT Female Thread Brass Reducers Hex Bushing Brass Fitting Pipe Hose Tube Adapter Convert (4) - Image 5](https://m.media-amazon.com/images/I/71zFRZc+IHL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by I***N on 16 January 2026*

Very pleased with purchase, well made and fits perfect for my DIY air compressor manifold build.

### ⭐⭐⭐⭐⭐ Review
*by M***A on 28 October 2025*

High quality

### ⭐⭐⭐⭐⭐ Review
*by S***N on 28 October 2025*

They are good quality and work perfectly.

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.is/products/330391430-kootans-4pcs-heavy-duty-3-8-npt-male-thread-to](https://www.desertcart.is/products/330391430-kootans-4pcs-heavy-duty-3-8-npt-male-thread-to)

---

*Product available on Desertcart Iceland*
*Store origin: IS*
*Last updated: 2026-02-02*