---
product_id: 175755585
title: "Linear Motion Guide, FEYRINX 2PCS 12mm x 400mm (.472 x 15.75 inches) Case Hardened Chrome Linear Rail Rod Shaft for 3D Printer, DIY, CNC - Metric h8 Tolerance"
brand: "feyrinx"
price: "¥6999"
currency: JPY
in_stock: true
url: https://www.desertcart.jp/products/175755585-linear-motion-guide-feyrinx-2pcs-12mm-x-400mm-472-x
store_origin: JP
region: Japan
---

# 400mm length 12mm diameter 55-60 HRC hardness Linear Motion Guide, FEYRINX 2PCS 12mm x 400mm (.472 x 15.75 inches) Case Hardened Chrome Linear Rail Rod Shaft for 3D Printer, DIY, CNC - Metric h8 Tolerance

**Brand:** feyrinx
**Price:** ¥6999
**Availability:** ✅ In Stock

## Summary

> 🔧 Elevate Your Projects with Precision and Durability!

## Quick Answers

- **What is this?** Linear Motion Guide, FEYRINX 2PCS 12mm x 400mm (.472 x 15.75 inches) Case Hardened Chrome Linear Rail Rod Shaft for 3D Printer, DIY, CNC - Metric h8 Tolerance by feyrinx
- **How much does it cost?** ¥6999 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/175755585-linear-motion-guide-feyrinx-2pcs-12mm-x-400mm-472-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

- • **Peace of Mind:** Enjoy a 30-day money-back guarantee and a 1-year warranty for worry-free usage.
- • **User-Friendly:** Designed for easy installation with linear support blocks for seamless operation.
- • **Durable Design:** Crafted from C45 steel with chromium plating for maximum corrosion resistance.
- • **Precision Engineering:** Achieve unparalleled accuracy with tolerances as tight as -0.005mm.
- • **Versatile Applications:** Perfect for CNC, 3D printing, and more—your go-to for all DIY projects.

## Overview

The FEYRINX Linear Motion Guide is a pair of high-quality 12mm x 400mm case-hardened chrome linear rail rod shafts, designed for precision applications in 3D printing, CNC machining, and more. With exceptional hardness and tight tolerances, these shafts ensure durability and accuracy for all your engineering needs.

## Description

Linear Motion Guide, FEYRINX 2PCS 12mm x 400mm (.472 x 15.75 inches) Case Hardened Chrome Linear Rail Rod Shaft for 3D Printer, DIY, CNC - Metric h8 Tolerance

## 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 12mm, tolerance -0.005mm to -0.03mm ( 11.995mm - 11.97mm), 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 12mm x 400mm Linear Motion Shaft. 30-Days money back guarantee, 1-Year warranty, 24/7 friendly customer service.

## Product Details

- **Brand:** Feyrinx
- **Material:** Carbon Steel (C45#), Chrome Plated
- **Item Thickness:** 0.8 Millimeters
- **Specification Met:** Iso 4955 (Inferred)
- **Bearing Type:** Ball Bearing

## Images

![Linear Motion Guide, FEYRINX 2PCS 12mm x 400mm (.472 x 15.75 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/61IlF9PqHeS.jpg)

## Available Options

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

## Frequently Bought Together

- Linear Motion Guide, FEYRINX 2PCS 12mm x 400mm (.472 x 15.75 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.jp/products/175755585-linear-motion-guide-feyrinx-2pcs-12mm-x-400mm-472-x](https://www.desertcart.jp/products/175755585-linear-motion-guide-feyrinx-2pcs-12mm-x-400mm-472-x)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-05-01*