---
product_id: 248676689
title: "Linear Motion Guide, FEYRINX 2PCS 6mm x 400mm (.236 x 17.72 inches) Case Hardened Chrome Linear Rail Rod Shaft for 3D Printer, DIY, CNC - Metric h8 Tolerance"
brand: "feyrinx"
price: "€ 29.72"
currency: EUR
in_stock: true
reviews_count: 13
category: "Feyrinx"
url: https://www.desertcart.nl/products/248676689-linear-motion-guide-feyrinx-2pcs-6mm-x-400mm-236-x
store_origin: NL
region: Netherlands
---

# ±0.5mm length tolerance 6mm diameter, h8 tolerance 55-60 HRC hardness Linear Motion Guide, FEYRINX 2PCS 6mm x 400mm (.236 x 17.72 inches) Case Hardened Chrome Linear Rail Rod Shaft for 3D Printer, DIY, CNC - Metric h8 Tolerance

**Brand:** feyrinx
**Price:** € 29.72
**Availability:** ✅ In Stock

## Summary

> ⚙️ Elevate Your Precision Game with Rock-Solid Linear Motion!

## Quick Answers

- **What is this?** Linear Motion Guide, FEYRINX 2PCS 6mm x 400mm (.236 x 17.72 inches) Case Hardened Chrome Linear Rail Rod Shaft for 3D Printer, DIY, CNC - Metric h8 Tolerance by feyrinx
- **How much does it cost?** € 29.72 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nl](https://www.desertcart.nl/products/248676689-linear-motion-guide-feyrinx-2pcs-6mm-x-400mm-236-x)

## Best For

- feyrinx enthusiasts

## Why This Product

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

## Key Features

- • **Plug & Play Ready:** Comes as a convenient 2-pack of 400mm shafts, compatible with grease lubricants, making upgrades or replacements hassle-free.
- • **Precision Perfected:** Manufactured with tight metric h8 tolerance (6mm diameter ±0.005 to 0.03mm) and length accuracy ±0.5mm, delivering smooth, reliable linear motion every time.
- • **Rock-Solid Durability:** Case hardened C45 steel with 10-20μm chrome plating ensures corrosion resistance and a hardness rating of 55-60 HRC for long-lasting performance.
- • **Whisper-Quiet Operation:** Designed for high-speed, low-noise applications with closed-type slide units and linear support blocks, elevating your DIY or professional projects.
- • **Versatile Industrial Grade:** Ideal for CNC machines, 3D printers, injection molding, and engraving equipment—engineered to meet ISO 4955 and ISO 2768 standards.

## Overview

The FEYRINX Linear Motion Guide features two 6mm diameter, 400mm long case-hardened chrome-plated steel shafts with a hardness of 55-60 HRC and metric h8 tolerance. Engineered for high precision and durability, these shafts are perfect for CNC, 3D printing, and other automated machinery requiring smooth, low-noise linear motion.

## Description

Linear Motion Guide, FEYRINX 2PCS 6mm x 400mm (.236 x 17.72 inches) Case Hardened Chrome Linear Rail Rod Shaft for 3D Printer, DIY, CNC - Metric h8 Tolerance: desertcart.com: Industrial & Scientific

Review: Linear motion guide - Good quality, recommend seller
Review: Se nota la calidad con solo verlas y sentir su peso, a darles duro en el cnc

## Features

- High Hardness: Adapting C45 high quality steel, high frequency quenching, surface chromium plating(10um-20um). The case hardness could be reach to 55-60 HRC. Durable and corrosion-resistant.
- Extensive Application: Widely applied in CNC, 3D printer, automatic machinery, injection molding machine, engraving machine, etc. especially in bearing purpose.
- High Accuracy: Diameter 6mm, tolerance -0.005mm to -0.03mm ( 5.995mm - 5.97mm), length 400mm, tolerance ± 0.5mm ( 399.5mm - 400.5mm ).
- Easy to Use: Taking the role as round steel shaft with linear support blocks and closed type slide units, suitable for high speed, low noise and high precision equipment.
- What You Get: 2PCS 6mm x 400mm Linear Motion Shaft.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08CC9M7TB |
| Bearing Type | Linear Bearing |
| Best Sellers Rank | #66,330 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #1,623 in 3D Printer Accessories |
| Brand | Feyrinx |
| Compatible Lubricant | Grease |
| Date First Available | January 1, 2020 |
| Item Weight | 6.3 ounces |
| Item dimensions L x W x H | 15.75 x 0.24 x 0.24 inches |
| Item model number | FG006-400MM |
| Manufacturer | Feyrinx |
| Material | Carbon Steel (C45#), Chrome Plated |
| Outside Diameter | 6 Millimeters |
| Product Dimensions | 15.75 x 0.24 x 0.24 inches |
| Specification Met | Iso 4955, Iso 2768 |
| UPC | 750920856583 |

## Product Details

- **Brand:** Feyrinx
- **Item Weight:** 0.18 Kilograms
- **Item dimensions L x W x H:** 15.75 x 0.24 x 0.24 inches
- **Material:** Carbon Steel (C45#), Chrome Plated
- **Specification Met:** Iso 4955, Iso 2768

## Images

![Linear Motion Guide, FEYRINX 2PCS 6mm x 400mm (.236 x 17.72 inches) Case Hardened Chrome Linear Rail Rod Shaft for 3D Printer, DIY, CNC - Metric h8 Tolerance - Image 1](https://m.media-amazon.com/images/I/31dUh+QRU7L.jpg)
![Linear Motion Guide, FEYRINX 2PCS 6mm x 400mm (.236 x 17.72 inches) Case Hardened Chrome Linear Rail Rod Shaft for 3D Printer, DIY, CNC - Metric h8 Tolerance - Image 2](https://m.media-amazon.com/images/I/41Kltwg3SwL.jpg)
![Linear Motion Guide, FEYRINX 2PCS 6mm x 400mm (.236 x 17.72 inches) Case Hardened Chrome Linear Rail Rod Shaft for 3D Printer, DIY, CNC - Metric h8 Tolerance - Image 3](https://m.media-amazon.com/images/I/41mZHlNdZbL.jpg)
![Linear Motion Guide, FEYRINX 2PCS 6mm x 400mm (.236 x 17.72 inches) Case Hardened Chrome Linear Rail Rod Shaft for 3D Printer, DIY, CNC - Metric h8 Tolerance - Image 4](https://m.media-amazon.com/images/I/51FVqr39bgL.jpg)
![Linear Motion Guide, FEYRINX 2PCS 6mm x 400mm (.236 x 17.72 inches) Case Hardened Chrome Linear Rail Rod Shaft for 3D Printer, DIY, CNC - Metric h8 Tolerance - Image 5](https://m.media-amazon.com/images/I/51JqR44P88L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Linear motion guide
*by A***R on February 25, 2025*

Good quality, recommend seller

### ⭐⭐⭐⭐⭐ Review
*by A***R on November 1, 2025*

Se nota la calidad con solo verlas y sentir su peso, a darles duro en el cnc

### ⭐⭐⭐⭐⭐ Straight and solid
*by M***I on January 7, 2024*

All I wanted were two 45cms of straight and solid rods for a filament drybox and that is exactly what I got. The packaging was great enough to protect them in transport.

## Frequently Bought Together

- Linear Motion Guide, FEYRINX 2PCS 6mm x 400mm (.236 x 17.72 inches) Case Hardened Chrome Linear Rail Rod Shaft for 3D Printer, DIY, CNC - Metric h8 Tolerance
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**Shop now:** [https://www.desertcart.nl/products/248676689-linear-motion-guide-feyrinx-2pcs-6mm-x-400mm-236-x](https://www.desertcart.nl/products/248676689-linear-motion-guide-feyrinx-2pcs-6mm-x-400mm-236-x)

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*Product available on Desertcart Netherlands*
*Store origin: NL*
*Last updated: 2026-01-22*