---
product_id: 677803728
title: "Linear Motion Rods, FEYRINX 2PCS 8mm x 330mm (.315 x 12.99 inches) Case Hardened Chrome Linear Rail Shaft for 3D Printer, DIY, CNC - Metric h8 Tolerance"
brand: "feyrinx"
price: "S$32"
currency: SGD
in_stock: true
category: "Feyrinx"
url: https://www.desertcart.sg/products/677803728-linear-motion-rods-feyrinx-2pcs-8mm-x-330mm-315-x
store_origin: SG
region: Singapore
---

# Precision tolerance within -0.005mm to -0.03mm 16mm diameter x 300mm length, perfect fit 55-60 HRC hardness for ultimate durability Linear Motion Rods, FEYRINX 2PCS 8mm x 330mm (.315 x 12.99 inches) Case Hardened Chrome Linear Rail Shaft for 3D Printer, DIY, CNC - Metric h8 Tolerance

**Brand:** feyrinx
**Price:** S$32
**Availability:** ✅ In Stock

## Summary

> 🚀 Elevate your precision game with steel that means business!

## Quick Answers

- **What is this?** Linear Motion Rods, FEYRINX 2PCS 8mm x 330mm (.315 x 12.99 inches) Case Hardened Chrome Linear Rail Shaft for 3D Printer, DIY, CNC - Metric h8 Tolerance by feyrinx
- **How much does it cost?** S$32 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/677803728-linear-motion-rods-feyrinx-2pcs-8mm-x-330mm-315-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

- • **Precision Perfected:** Engineered with ultra-tight tolerances (-0.005mm to -0.03mm) ensuring flawless linear motion in your CNC, 3D printer, or automation setup.
- • **Ready-to-Install Duo:** Includes 2 precision linear shafts (16mm x 300mm) to instantly elevate your DIY or professional projects.
- • **Rock-Solid Durability:** Crafted from C45 high-quality steel with case-hardened chrome plating for corrosion resistance and a 55-60 HRC hardness rating.
- • **Smooth & Silent Operation:** Designed for high-speed, low-noise performance with a Ra 0.8 surface finish and closed-type slide units for seamless motion.
- • **Versatile Industrial Powerhouse:** Ideal for CNC machines, 3D printers, injection molding, and engraving machines—upgrade your equipment with confidence.

## Overview

The Feyrinx Linear Motion Guide set features two 16mm diameter, 300mm long shafts made from premium C45 carbon steel with case-hardened chrome plating. Boasting a hardness of 55-60 HRC and ultra-tight tolerances, these shafts deliver exceptional durability, corrosion resistance, and precision for CNC machines, 3D printers, and other high-performance industrial applications.

## Description

Linear Motion Rods, FEYRINX 2PCS 8mm x 330mm (.315 x 12.99 inches) Case Hardened Chrome Linear Rail Shaft for 3D Printer, DIY, CNC - Metric h8 Tolerance: desertcart.com: Industrial & Scientific

## 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 8mm, tolerance -0.005mm to -0.03mm ( 7.995mm - 7.97mm), length 330mm, tolerance ± 0.5mm ( 329.5mm - 330.5mm ).
- 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 8mm x 330mm Linear Motion Shaft.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B085DQHB8P |
| Bearing Number | 1 |
| Bearing Type | Ball Bearing |
| Best Sellers Rank | #90,176 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #2,322 in 3D Printer Accessories |
| Brand Name | Feyrinx |
| Compatible Lubricant | Grease |
| Customer Reviews | 4.8 4.8 out of 5 stars (184) |
| Item Dimensions | 12.99 x 0.31 x 0.31 inches |
| Item Thickness | 2.5 millimeters |
| Item Weight | 0.25 kg |
| Manufacturer | Feyrinx |
| Material Type | Carbon Steel (C45#), Chrome Plated |
| Model | FG008-330MM |
| Number of Items | 2 |
| Outside Diameter | 8 millimeters |
| Part Number | FG008-330MM |
| Specification Met | C45# Steel, Hrc 55-60, No Specific Standard Stated |
| UPC | 750920855999 |
| Unit Count | 2 Count |

## Product Details

- **Bearing Number:** 1
- **Brand:** Feyrinx
- **Item Weight:** 0.25 kg
- **Item dimensions L x W x H:** 12.99 x 0.31 x 0.31 inches
- **Material:** Carbon Steel (C45#), Chrome Plated

## Images

![Linear Motion Rods, FEYRINX 2PCS 8mm x 330mm (.315 x 12.99 inches) Case Hardened Chrome Linear Rail Shaft for 3D Printer, DIY, CNC - Metric h8 Tolerance - Image 1](https://m.media-amazon.com/images/I/31qLHhc+2vS.jpg)
![Linear Motion Rods, FEYRINX 2PCS 8mm x 330mm (.315 x 12.99 inches) Case Hardened Chrome Linear Rail Shaft for 3D Printer, DIY, CNC - Metric h8 Tolerance - Image 2](https://m.media-amazon.com/images/I/31-MDe-vTJL.jpg)
![Linear Motion Rods, FEYRINX 2PCS 8mm x 330mm (.315 x 12.99 inches) Case Hardened Chrome Linear Rail Shaft for 3D Printer, DIY, CNC - Metric h8 Tolerance - Image 3](https://m.media-amazon.com/images/I/41fG-y6Z6NS.jpg)
![Linear Motion Rods, FEYRINX 2PCS 8mm x 330mm (.315 x 12.99 inches) Case Hardened Chrome Linear Rail Shaft for 3D Printer, DIY, CNC - Metric h8 Tolerance - Image 4](https://m.media-amazon.com/images/I/51gJAxfx83L.jpg)
![Linear Motion Rods, FEYRINX 2PCS 8mm x 330mm (.315 x 12.99 inches) Case Hardened Chrome Linear Rail Shaft for 3D Printer, DIY, CNC - Metric h8 Tolerance - Image 5](https://m.media-amazon.com/images/I/51PhxpMakrS.jpg)

## Available Options

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

## Frequently Bought Together

- Linear Motion Guide, FEYRINX 2PCS 16mm x 300mm (.63 x 11.81 inches) Case Hardened Chrome Linear Rail Rod Shaft for 3D Printer, DIY, CNC - Metric h8 Tolerance
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*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-10-02*