---
product_id: 681161009
title: "ReliaBot 2PCs 8mm x 300mm (.315 x 11.81 inches) Case Hardened Chrome Plated Linear Motion Rod Shaft Guide - Metric h8 Tolerance"
brand: "reliabot"
price: "$115"
currency: NZD
in_stock: false
reviews_count: 5
category: "Relia Bot"
url: https://www.desertcart.nz/products/681161009-reliabot-2pcs-8mm-x-300mm-315-x-11-81-inches
store_origin: NZ
region: New Zealand
---

# ±0.5mm length tolerance 8mm precision diameter Chrome plated hardness boost ReliaBot 2PCs 8mm x 300mm (.315 x 11.81 inches) Case Hardened Chrome Plated Linear Motion Rod Shaft Guide - Metric h8 Tolerance

**Brand:** reliabot
**Price:** $115
**Availability:** ❌ Out of Stock

## Summary

> ⚙️ Upgrade your motion game with precision and durability!

## Quick Answers

- **What is this?** ReliaBot 2PCs 8mm x 300mm (.315 x 11.81 inches) Case Hardened Chrome Plated Linear Motion Rod Shaft Guide - Metric h8 Tolerance by reliabot
- **How much does it cost?** $115 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.nz](https://www.desertcart.nz/products/681161009-reliabot-2pcs-8mm-x-300mm-315-x-11-81-inches)

## Best For

- reliabot enthusiasts

## Why This Product

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

## Key Features

- • **Trusted by Makers:** Highly rated by 3D printer enthusiasts for quiet, smooth axis upgrades.
- • **Precision Perfect Fit:** Metric h8 tolerance ensures ultra-smooth linear motion with minimal play.
- • **Durability Meets Design:** Case hardened carbon steel core with chrome plating for superior wear resistance.
- • **Optimized Length Accuracy:** 300mm length with tight ±0.5mm tolerance for consistent performance.
- • **User-Friendly Installation:** Chamfered ends protect your fingers and simplify bearing assembly.

## Overview

The ReliaBot 2PCs 8mm x 300mm linear motion rod shafts are crafted from case hardened carbon steel with a chrome plated surface for enhanced hardness and wear resistance. Featuring metric h8 tolerance and chamfered ends, these rods ensure precise, smooth linear motion and easy installation. Ideal for 3D printer upgrades and other precision machinery, they deliver reliable performance with minimal noise.

## Description

Packing list: 2 * Diameter 8mm Linear Motion Shaft 300mm long

Review: I got two sets of these (Y (330mm) and Z (320mm) axis) for an LDO Bear2.1 upgrade for my 3d printer. Well packaged so they arrived in perfect condition. Accurate lengths and my standard bearing run nice and smooth with minimal noise.
Review: Die Originalwellen sind ein graus und nach dem Austausch mit neuen Lagern läuft die Y Achse besser

## Features

- The material is carbon steel, which is very suitable for linear motion rod.
- The surface has been chrome plated to enhance the hardness.
- Chamfer on both ends, easier to install linear bearings and won't hurt fingers when installing it.
- Diameter 8mm, tolerance -0.005mm to -0.03mm ( 7.995mm - 7.97mm)
- Length 300mm, tolerance ± 0.5mm ( 299.5mm - 300.5mm )

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07DPF612G |
| Are batteries included? | No |
| Brand | ReliaBot |
| Country of Origin | USA |
| Customer Reviews | 4.7 4.7 out of 5 stars (516) |
| Date First Available | 9 January 2020 |
| Item Weight | 250 g |
| Item model number | IT-RD048 |
| Manufacturer | ReliaBot |
| Model number | IT-RD048 |
| Number of Memory Sticks | 2 |
| Package Dimensions | 32.5 x 3.9 x 2.5 cm; 250 g |

## Images

![ReliaBot 2PCs 8mm x 300mm (.315 x 11.81 inches) Case Hardened Chrome Plated Linear Motion Rod Shaft Guide - Metric h8 Tolerance - Image 1](https://m.media-amazon.com/images/I/31-3uDZKElL.jpg)
![ReliaBot 2PCs 8mm x 300mm (.315 x 11.81 inches) Case Hardened Chrome Plated Linear Motion Rod Shaft Guide - Metric h8 Tolerance - Image 2](https://m.media-amazon.com/images/I/310VOKiU39L.jpg)
![ReliaBot 2PCs 8mm x 300mm (.315 x 11.81 inches) Case Hardened Chrome Plated Linear Motion Rod Shaft Guide - Metric h8 Tolerance - Image 3](https://m.media-amazon.com/images/I/315GTWm7jdL.jpg)
![ReliaBot 2PCs 8mm x 300mm (.315 x 11.81 inches) Case Hardened Chrome Plated Linear Motion Rod Shaft Guide - Metric h8 Tolerance - Image 4](https://m.media-amazon.com/images/I/31LkqNDA28L.jpg)
![ReliaBot 2PCs 8mm x 300mm (.315 x 11.81 inches) Case Hardened Chrome Plated Linear Motion Rod Shaft Guide - Metric h8 Tolerance - Image 5](https://m.media-amazon.com/images/I/31W0sgwnodL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by S***P on 2 March 2022*

I got two sets of these (Y (330mm) and Z (320mm) axis) for an LDO Bear2.1 upgrade for my 3d printer. Well packaged so they arrived in perfect condition. Accurate lengths and my standard bearing run nice and smooth with minimal noise.

### ⭐⭐⭐⭐⭐ Review
*by B***R on 27 November 2019*

Die Originalwellen sind ein graus und nach dem Austausch mit neuen Lagern läuft die Y Achse besser

### ⭐⭐⭐⭐⭐ Review
*by M***L on 14 April 2019*

Acheté en remplacement pour mon imprimante 3D, elles sont parfaitement linéaires(ce qui est rare), la rigidité est excellente et le traitement de cémentation est de très bonne qualité.

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*Product available on Desertcart New Zealand*
*Store origin: NZ*
*Last updated: 2026-01-23*