--- product_id: 126173206 title: "4pcs EN31 Rustproof Steel Smooth Rod 8mm OD 500mm (0.5 mtr) Long for CNC Robotics Machines DIY Projects" brand: "invento" price: "31943CFA" currency: XOF in_stock: true reviews_count: 8 category: "Invento" url: https://www.desertcart.sn/products/126173206-4pcs-en31-rustproof-steel-smooth-rod-8mm-od-500mm-0 store_origin: SN region: Senegal --- # 8mm precise diameter 500mm length for versatile builds EN-31 hard chromed rustproof steel 4pcs EN31 Rustproof Steel Smooth Rod 8mm OD 500mm (0.5 mtr) Long for CNC Robotics Machines DIY Projects **Brand:** invento **Price:** 31943CFA **Availability:** ✅ In Stock ## Summary > 🛠️ Elevate your build game with rustproof precision rods! ## Quick Answers - **What is this?** 4pcs EN31 Rustproof Steel Smooth Rod 8mm OD 500mm (0.5 mtr) Long for CNC Robotics Machines DIY Projects by invento - **How much does it cost?** 31943CFA with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.sn](https://www.desertcart.sn/products/126173206-4pcs-en31-rustproof-steel-smooth-rod-8mm-od-500mm-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 - • **Pack of Four:** Get four rods in one set to power multiple projects or prototypes without delay. - • **Built to Last:** Crafted from EN-31 hard chromed steel ensuring rust resistance and long-term durability. - • **Versatile Length:** 500mm rods ideal for a wide range of DIY, 3D printing, and industrial applications. - • **Precision Perfect:** Engineered with an exact 8mm diameter for flawless alignment in your CNC and robotics projects. - • **Trusted by Makers:** Ranked #58 in 3D Printer Parts & Accessories with a 4.3-star rating from 250+ users. ## Overview The INVENTO 4pcs EN31 Rustproof Steel Smooth Rods are 8mm diameter, 500mm long hard chromed steel rods designed for CNC, robotics, 3D printing, and DIY projects. These rust-resistant rods provide precise, durable support for professional-grade builds, backed by strong user ratings and trusted industrial quality. ## Description Package contents: 4 x 8mm EN-31 Rods; Application: 3d printer, cnc, robotics, diy projects etc. ; Material: En-31 (hard chromed), Outside Diameter: 8mm, Length: 500 mm (0. 5 meter) Review: GREAT PRODUCT AT A GOOD PRICE - NO RUST so far after 6 months. GOOD PRICE Review: These are Iron rods Not ss rods - Quiet value for money but are iron rods. ## Features - Outside Diameter: 8mm - Length: 500 mm (0.5 meter) - Material: EN-31 (Hard Chromed) - Qty: 4pcs - Application: 3D Printer, CNC, Robotics, DIY Projects etc ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07RRJN298 | | Best Sellers Rank | #39,714 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #160 in 3D Printer Parts & Accessories | | Brand | INVENTO | | Brand Name | INVENTO | | Colour | Grey | | Country of Origin | India | | Customer Reviews | 4.3 out of 5 stars 257 Reviews | | Item Diameter | 0.32 Inches | | Item Dimensions | 13 x 34 x 502 Millimeters | | Item Form | Rod | | Item Shape | Cylindrical | | Item Thickness | 8 Millimetres | | Item Type Name | INVENTO 4pcs EN31 Rustproof Steel Smooth Rod 8mm OD 500mm (0.5 mtr) Long for CNC Robotics Machines DIY Projects | | Item Weight | 500 Grams | | Item dimensions L x W x H | 13 x 34 x 502 Millimeters | | Manufacturer | INVENTO, No | | Manufacturer Contact Information | No | | Material | Steel | | Material Type | Steel | | Model Number | ISC 121-2 | | Number of Items | 4 | | Part Number | ISC 121-2 | | Shape | Cylindrical | | Specification Met | True | | Unit Count | 4 Count | ## Product Details - **Brand:** INVENTO - **Colour:** Grey - **Item dimensions L x W x H:** 13 x 34 x 502 Millimeters - **Material:** Steel - **Shape:** Cylindrical ## Images ![4pcs EN31 Rustproof Steel Smooth Rod 8mm OD 500mm (0.5 mtr) Long for CNC Robotics Machines DIY Projects - Image 1](https://m.media-amazon.com/images/I/41g5ZIMzgoL.jpg) ![4pcs EN31 Rustproof Steel Smooth Rod 8mm OD 500mm (0.5 mtr) Long for CNC Robotics Machines DIY Projects - Image 2](https://m.media-amazon.com/images/I/61AATfaQYRL.jpg) ![4pcs EN31 Rustproof Steel Smooth Rod 8mm OD 500mm (0.5 mtr) Long for CNC Robotics Machines DIY Projects - Image 3](https://m.media-amazon.com/images/I/51GOUurGtUL.jpg) ![4pcs EN31 Rustproof Steel Smooth Rod 8mm OD 500mm (0.5 mtr) Long for CNC Robotics Machines DIY Projects - Image 4](https://m.media-amazon.com/images/I/31KRI9Nn2AL.jpg) ## Questions & Answers **Q: can we bend this rod 90' for DIY project.** A: no, it will break. ## Customer Reviews ### ⭐⭐⭐⭐⭐ GREAT PRODUCT AT A GOOD PRICE *by S***N on 9 December 2024* NO RUST so far after 6 months. GOOD PRICE ### ⭐⭐⭐⭐ These are Iron rods Not ss rods *by R***T on 15 October 2024* Quiet value for money but are iron rods. ### ⭐⭐⭐⭐⭐ Nice Product *by N***I on 18 November 2023* Good smooth rod I bought all ready 4 rod before 3 year ago Packing is also good .nice product no doubt. ## Frequently Bought Together - INVENTO 4pcs EN31 Rustproof Steel Smooth Rod 8mm OD 500mm (0.5 mtr) Long for CNC Robotics Machines DIY Projects - Techtonics SC8UU 8mm Linear Motion Ball Bearing Slide Block - 3DInnovations SK8 8mm Bore Linear Rail Shaft Optical Axis Clamping Guide End Support for XYZ Axis (Quantity: 2 pcs) --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.sn/products/126173206-4pcs-en31-rustproof-steel-smooth-rod-8mm-od-500mm-0](https://www.desertcart.sn/products/126173206-4pcs-en31-rustproof-steel-smooth-rod-8mm-od-500mm-0) --- *Product available on Desertcart Senegal* *Store origin: SN* *Last updated: 2026-05-20*