---
product_id: 545897025
title: "2pcs EN31 Rustproof Steel Smooth Rod 8mm OD 400mm (0.4 mtr) Long for CNC Robotics Machines DIY Projects"
brand: "invento"
price: "¥5316"
currency: JPY
in_stock: true
reviews_count: 5
category: "Invento"
url: https://www.desertcart.jp/products/545897025-2pcs-en31-rustproof-steel-smooth-rod-8mm-od-400mm-0
store_origin: JP
region: Japan
---

# 8mm precise diameter 400mm length for versatile builds EN31 rustproof steel 2pcs EN31 Rustproof Steel Smooth Rod 8mm OD 400mm (0.4 mtr) Long for CNC Robotics Machines DIY Projects

**Brand:** invento
**Price:** ¥5316
**Availability:** ✅ In Stock

## Summary

> ⚙️ Elevate your DIY game with rustproof precision rods that keep your projects running smooth and sleek!

## Quick Answers

- **What is this?** 2pcs EN31 Rustproof Steel Smooth Rod 8mm OD 400mm (0.4 mtr) Long for CNC Robotics Machines DIY Projects by invento
- **How much does it cost?** ¥5316 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/545897025-2pcs-en31-rustproof-steel-smooth-rod-8mm-od-400mm-0)

## Best For

- invento enthusiasts

## Why This Product

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

## Key Features

- • **Versatile Length:** At 400mm, these rods fit seamlessly into 3D printers, CNC machines, and DIY robotics setups.
- • **Dual Pack Advantage:** Two rods included to double your build potential or keep a spare for uninterrupted creativity.
- • **Precision Perfected:** Engineered with an exact 8mm outer diameter for flawless alignment in CNC and robotics projects.
- • **Rustproof Reliability:** Crafted from EN31 hard chromed steel ensuring long-lasting corrosion resistance and durability.
- • **Smooth Finish, Smooth Moves:** Polished surface guarantees minimal friction, enhancing the precision and lifespan of your mechanical assemblies.

## Overview

INVENTO’s 2-pack of 8mm OD, 400mm long smooth rods are made from premium EN31 hard chromed steel, delivering rustproof durability and precision for CNC, 3D printing, and robotics applications. Trusted by makers for their straightness, smooth finish, and reliable performance.

## Description

Package Include 2 x 400mm long Smooth Rods

Review: Quality - Recently I ordered these 8mmOD 400mm long smooth rods 6 pieces for my CoreXY build and I got all 6 rods in excellent condition, all straight and no rust. Definitely go for them.
Review: Finishing and quality - Good finishing and quality

## Features

- Outside Diameter: 8mm
- Length: 400 mm (0.4 meter)
- Material: EN-31 (Hard Chromed)
- Qty: 2pcs
- Application: 3D Printer, CNC, Robotics, DIY Projects etc

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07RR14N72 |
| Brand | INVENTO |
| Brand Name | INVENTO |
| Color | Grey |
| Colour | Grey |
| Customer Reviews | 4.3 out of 5 stars 102 Reviews |
| Item Diameter | 8 Millimeters |
| Item Dimensions | 40 x 0.8 x 0.8 centimeters |
| Item Form | Rod |
| Item Shape | Round |
| Item Thickness | 8 Millimeters |
| Item Weight | 500 Grams |
| Item diameter | 8 Millimeters |
| Item dimensions L x W x H | 40 x 0.8 x 0.8 centimeters |
| Manufacturer | INVENTO |
| Material | Alloy Steel |
| Model Number | ISC 1483 |
| Number of Items | 2 |
| Part Number | ISC 1483 |
| Shape | Round |

## Product Details

- **Brand:** INVENTO
- **Colour:** Grey
- **Item dimensions L x W x H:** 40 x 0.8 x 0.8 centimeters
- **Material:** Alloy Steel
- **Shape:** Round

## Images

![2pcs EN31 Rustproof Steel Smooth Rod 8mm OD 400mm (0.4 mtr) Long for CNC Robotics Machines DIY Projects - Image 1](https://m.media-amazon.com/images/I/41g5ZIMzgoL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Quality
*by S***M on 19 March 2026*

Recently I ordered these 8mmOD 400mm long smooth rods 6 pieces for my CoreXY build and I got all 6 rods in excellent condition, all straight and no rust. Definitely go for them.

### ⭐⭐⭐⭐⭐ Finishing and quality
*by J***R on 26 April 2026*

Good finishing and quality

### ⭐⭐⭐⭐ Good product
*by N***J on 16 November 2021*

Value for money

## Frequently Bought Together

- INVENTO 2pcs EN31 Rustproof Steel Smooth Rod 8mm OD 400mm (0.4 mtr) Long for CNC Robotics Machines DIY Projects
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**Shop now:** [https://www.desertcart.jp/products/545897025-2pcs-en31-rustproof-steel-smooth-rod-8mm-od-400mm-0](https://www.desertcart.jp/products/545897025-2pcs-en31-rustproof-steel-smooth-rod-8mm-od-400mm-0)

---

*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-09-04*