---
product_id: 233829926
title: "8mm to 6.35mm Shaft Coupling 25mm Length 18mm Diameter Stepper Motor Coupler Aluminum Alloy Joint Connector for 3D Printer CNC Machine DIY Encoder(Pack of 4"
brand: "xnrtop"
price: "₱1465"
currency: PHP
in_stock: true
reviews_count: 1
url: https://www.desertcart.ph/products/233829926-8mm-to-6-35mm-shaft-coupling-25mm-length-18mm-diameter
store_origin: PH
region: Philippines
---

# 25mm length, 18mm diameter 8mm to 6.35mm compatibility Aluminum alloy durability 8mm to 6.35mm Shaft Coupling 25mm Length 18mm Diameter Stepper Motor Coupler Aluminum Alloy Joint Connector for 3D Printer CNC Machine DIY Encoder(Pack of 4

**Brand:** xnrtop
**Price:** ₱1465
**Availability:** ✅ In Stock

## Summary

> 🔧 Elevate Your DIY Game with Precision Coupling!

## Quick Answers

- **What is this?** 8mm to 6.35mm Shaft Coupling 25mm Length 18mm Diameter Stepper Motor Coupler Aluminum Alloy Joint Connector for 3D Printer CNC Machine DIY Encoder(Pack of 4 by xnrtop
- **How much does it cost?** ₱1465 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ph](https://www.desertcart.ph/products/233829926-8mm-to-6-35mm-shaft-coupling-25mm-length-18mm-diameter)

## Best For

- xnrtop enthusiasts

## Why This Product

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

## Key Features

- • **Robust Material:** Made from high-quality aluminum alloy for enhanced durability and longevity.
- • **Easy Installation:** Set screws simplify the installation process, allowing for quick adjustments and debugging.
- • **Precision Engineering:** Crafted for seamless 8mm to 6.35mm connections, ensuring optimal performance.
- • **Stress-Free Operation:** Flexibility in design reduces stress between motor and components, promoting smoother operation.
- • **Versatile Applications:** Perfect for 3D printers and CNC machines, making it a must-have for DIY enthusiasts.

## Overview

This 8mm to 6.35mm shaft coupling is a high-quality aluminum alloy connector designed for 3D printers and CNC machines. Measuring 25mm in length and 18mm in diameter, it features set screws for easy installation and flexibility that alleviates stress between motor and components, making it ideal for both professional and DIY applications.

## Description

Description: 8mm to 6.35mm shaft usage diameter, 25mm length, 18mm diameter, set screw type, beam coupling. Zero backlash. One-piece metallic spring coupling. For little torque shaft connect. Absorption of parallel, angular misalignments and shaft end-play by spring action. Widely used in drive systems for encoders, instrumentation,lead screws, small pumps, feed rollers and anywhere light to medium duty, torsionally flexible coupling is required. Specification: Feature: Set screw type (coiling clamping) Shaft Usage: 8mm to 6.35mm Size: 25x18mm/ 0.98x0.71inch( L*D) Material: Aluminum alloy Main Color: Silver tone Weight: 60g Package Content: 4 x Shaft coupling

## Features

- Shaft Usage: 8mm to 6.35mm / 0.31 to 0.25 inch
- Material: Aluminum alloy; Size: 25x18mm/ 0.98x0.71 inch( L*D)
- Feature: Set screws (Coiling Clamping); Main Color: Silver tone
- Flexibility of coupling shaft removes stress between the motor and driving components.
- The shaft couplers are widely applied to small CNC machines encoding and 3D printers Z shaft coupling, simplifies the debugging difficulty.

## Product Details

- **Material:** Aluminum
- **Fastener Type:** Coupling
- **Thread Size:** 0.14"-20.8
- **Exterior Finish:** Aluminum
- **Color:** Silver

## Images

![8mm to 6.35mm Shaft Coupling 25mm Length 18mm Diameter Stepper Motor Coupler Aluminum Alloy Joint Connector for 3D Printer CNC Machine DIY Encoder(Pack of 4 - Image 1](https://m.media-amazon.com/images/I/51UpssxWjgL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐ Three great, one decent
*by T***R on February 9, 2024*

All of these generic couplers have runout between the two bores, but are better than most. Three of them were very close to concentric, and one of them is what I typically expect, overall very happy with them.

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**Shop now:** [https://www.desertcart.ph/products/233829926-8mm-to-6-35mm-shaft-coupling-25mm-length-18mm-diameter](https://www.desertcart.ph/products/233829926-8mm-to-6-35mm-shaft-coupling-25mm-length-18mm-diameter)

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*Product available on Desertcart Philippines*
*Store origin: PH*
*Last updated: 2026-03-12*