---
product_id: 221848773
title: "4 Pcs 4mm to 4mm Universal Joint Shaft Coupling with Screws for Motor"
brand: "befenybay"
price: "116 Lei"
currency: RON
in_stock: true
reviews_count: 11
category: "Befenybay"
url: https://www.desertcart.ro/products/221848773-4-pcs-4mm-to-4mm-universal-joint-shaft-coupling-screws
store_origin: RO
region: Romania
---

# 4pcs Included 45# Steel 4mm Diameter 4 Pcs 4mm to 4mm Universal Joint Shaft Coupling with Screws for Motor

**Brand:** befenybay
**Price:** 116 Lei
**Availability:** ✅ In Stock

## Summary

> 🔧 Connect with Confidence!

## Quick Answers

- **What is this?** 4 Pcs 4mm to 4mm Universal Joint Shaft Coupling with Screws for Motor by befenybay
- **How much does it cost?** 116 Lei with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ro](https://www.desertcart.ro/products/221848773-4-pcs-4mm-to-4mm-universal-joint-shaft-coupling-screws)

## Best For

- befenybay enthusiasts

## Why This Product

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

## Key Features

- • **Complete Package:** Includes 4 couplings, a hex wrench, and screws for hassle-free installation.
- • **Standardized Design:** Manufactured to international flange standards for universal compatibility.
- • **Unmatched Durability:** Crafted from robust 45# steel, these couplings are built to withstand the test of time.
- • **Precision Engineering:** With a 4mm inner diameter, these couplings guarantee a snug fit for optimal performance.
- • **Versatile Applications:** Perfectly designed for a variety of motor connections, ensuring seamless integration.

## Overview

This set of 4 universal joint shaft couplings, made from durable 45# steel, is designed for reliable motor connections. Each coupling features a 4mm inner diameter and comes with essential installation tools, making it a must-have for any engineering enthusiast.

## Description

Specification: Color: Silver Material: 45# steel Thread Size: M3 Net Weight: 7g Connection Diameter:4mm to 4mm/0.16 inch to 0.16 inch Total Size: 23 x 9mm / 0.91 inch x 0.35 inch (L*D) Package List: 4pcs universal joint shaft coupler 1pcs M3 Hex Wrench 8pcs screws

Review: Great quality. - Well made and seem to be solid enough for the task. These have c clips holding the cross pins. Others don't. They are quite weak. Working well so far.
Review: Perfect fit. Strong - Worked perfectly for my project

## Features

- 【 Material】 Universal joint shaft coupling is made of 45# steel, and then electroplated，much stronger, wearproof
- 【Widely Used】Universal joint shaft coupling is produced based on International Flange Standard, widely used for shaft connection
- 【Dimensions】Inner Diameter: 4mm to 4mm. Outer Diameter: 9mm. Height: 23mm
- 【Package Include】4pcs 4mm to 4mm universal joint shaft coupling, 1pcs M3 hex wrench, 8pcs fastening screws
- 【Function】 Can be used for motor etc

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07VB4XQX2 |
| Best Sellers Rank | #37,334 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #5 in Rigid Set Screw Couplings |
| Date First Available | July 16, 2019 |
| Item Weight | 2.39 ounces |
| Manufacturer | Befenybay |
| Package Dimensions | 3.2 x 2.25 x 0.05 inches |

## Images

![4 Pcs 4mm to 4mm Universal Joint Shaft Coupling with Screws for Motor - Image 1](https://m.media-amazon.com/images/I/31OIAjWi6uL.jpg)
![4 Pcs 4mm to 4mm Universal Joint Shaft Coupling with Screws for Motor - Image 2](https://m.media-amazon.com/images/I/31i5inoAnCL.jpg)
![4 Pcs 4mm to 4mm Universal Joint Shaft Coupling with Screws for Motor - Image 3](https://m.media-amazon.com/images/I/31z6yHOKbIL.jpg)
![4 Pcs 4mm to 4mm Universal Joint Shaft Coupling with Screws for Motor - Image 4](https://m.media-amazon.com/images/I/41ZbV0ylqeL.jpg)
![4 Pcs 4mm to 4mm Universal Joint Shaft Coupling with Screws for Motor - Image 5](https://m.media-amazon.com/images/I/61Xn11uNqBL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great quality.
*by M***R on September 25, 2024*

Well made and seem to be solid enough for the task. These have c clips holding the cross pins. Others don't. They are quite weak. Working well so far.

### ⭐⭐⭐⭐⭐ Perfect fit. Strong
*by D***P on January 18, 2025*

Worked perfectly for my project

### ⭐⭐⭐⭐⭐ Better than I paid
*by L***Y on August 5, 2025*

Very good construction

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**Shop now:** [https://www.desertcart.ro/products/221848773-4-pcs-4mm-to-4mm-universal-joint-shaft-coupling-screws](https://www.desertcart.ro/products/221848773-4-pcs-4mm-to-4mm-universal-joint-shaft-coupling-screws)

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*Product available on Desertcart Romania*
*Store origin: RO*
*Last updated: 2026-01-31*