--- product_id: 609678440 title: "2 PCS 8mm x 500mm (0.315 x 19.69 inches) Vigorous Linear Motion Rods, Case Hardened Chrome Shaft Linear Rail Rod Shaft for 3D Printer, DIY, CNC - Metric h8 Tolerance" brand: "vigorous" price: "AR$76763" currency: ARS in_stock: true reviews_count: 10 category: "Vigorous" url: https://www.desertcart.com.ar/products/609678440-2-pcs-8mm-x-500mm-0-315-x-19-69 store_origin: AR region: Argentina --- # 8mm diameter precision ±0.1mm length tolerance HRC55-62 hardened steel 2 PCS 8mm x 500mm (0.315 x 19.69 inches) Vigorous Linear Motion Rods, Case Hardened Chrome Shaft Linear Rail Rod Shaft for 3D Printer, DIY, CNC - Metric h8 Tolerance **Brand:** vigorous **Price:** AR$76763 **Availability:** ✅ In Stock ## Summary > ⚙️ Elevate your build with precision rods that mean business! ## Quick Answers - **What is this?** 2 PCS 8mm x 500mm (0.315 x 19.69 inches) Vigorous Linear Motion Rods, Case Hardened Chrome Shaft Linear Rail Rod Shaft for 3D Printer, DIY, CNC - Metric h8 Tolerance by vigorous - **How much does it cost?** AR$76763 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.com.ar](https://www.desertcart.com.ar/products/609678440-2-pcs-8mm-x-500mm-0-315-x-19-69) ## Best For - vigorous enthusiasts ## Why This Product - Trusted vigorous brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Flawless Finish:** Chrome plating with Ra0.05-0.08 surface roughness for corrosion resistance and sleek performance. - • **Precision Perfected:** Metric h8 tolerance ensures ultra-smooth linear motion with minimal play. - • **Rock-Solid Strength:** Crafted from 45# carbon steel with HRC55-62 hardness for unbeatable durability. - • **User-Centric Design:** Chamfered ends (C1.0--45°) for safe, easy assembly and seamless integration. - • **Versatile Powerhouse:** Ideal for 3D printers, CNC machines, DIY projects, and precision automation. ## Overview This 2-pack of 8mm x 500mm Vigorous Linear Motion Rods features hardened 45# carbon steel shafts with a chrome-plated finish, delivering exceptional straightness (≤0.1/1000mm) and tight metric h8 tolerance. Designed for smooth, durable linear motion in CNC, 3D printing, and industrial automation, these rods combine precision engineering with user-friendly chamfered ends for effortless assembly and long-lasting performance. ## Description 2 PCS 8mm x 500mm (0.315 x 19.69 inches) Vigorous Linear Motion Rods, Case Hardened Chrome Shaft Linear Rail Rod Shaft for 3D Printer, DIY, CNC - Metric h8 Tolerance: desertcart.com: Industrial & Scientific Review: Great linear guides. - Very smooth and straight. These are rigid as well, which is important at 450mm. No binding or noise from the bearings. Really impressive given the price. Review: Quality product - Verry nice Quality , strong for my project of a rock tumbler..... ## Features - What You Get: 2Pcs 8mm x 500mm Linear Motion Rod Pack - Great Performance Material: 45# Carbon steel, Hardness about HRC55-62, Surface roughness about Ra0.05-08, Straightness≤0.1/1000mm, Chrome plated thickness about 0.01mm - Tolerance: Diameter tolerance about -0.01to-0.03mm, Length tolerance about ± 0.1mm - Humannized Design: Our linear motion guides are chamfered about C1.0--45°on both ends in order to ensure safety and easiness in assembling other parts on the rod shaft. - Wide Application: Widely applied in CNC, 3D printer, automatic machinery, injection molding machine, engraving machine, etc. especially in bearing purpose. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0C2MKDWD7 | | Best Sellers Rank | #12,361 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #3 in Linear Motion Guides | | Brand Name | Vigorous | | Color | Silver | | Customer Reviews | 4.8 4.8 out of 5 stars (241) | | Grade Rating | Industrial | | Item Diameter | 8 Millimeters | | Item Form | Rod | | Item Shape | Cylindrical | | Item Thickness | 8 Millimeters | | Manufacturer | Vigorous | | Material | Carbon Steel | | Number of Items | 2 | | Part Number | LMG23030023 | | Unit Count | 2.0 Count | ## Product Details - **Brand:** Vigorous - **Color:** Silver - **Item Diameter:** 8 Millimeters - **Material:** Carbon Steel - **Shape:** Cylindrical ## Images ![2 PCS 8mm x 500mm (0.315 x 19.69 inches) Vigorous Linear Motion Rods, Case Hardened Chrome Shaft Linear Rail Rod Shaft for 3D Printer, DIY, CNC - Metric h8 Tolerance - Image 1](https://m.media-amazon.com/images/I/51+cJosGlqL.jpg) ![2 PCS 8mm x 500mm (0.315 x 19.69 inches) Vigorous Linear Motion Rods, Case Hardened Chrome Shaft Linear Rail Rod Shaft for 3D Printer, DIY, CNC - Metric h8 Tolerance - Image 2](https://m.media-amazon.com/images/I/513XD7LxdyL.jpg) ![2 PCS 8mm x 500mm (0.315 x 19.69 inches) Vigorous Linear Motion Rods, Case Hardened Chrome Shaft Linear Rail Rod Shaft for 3D Printer, DIY, CNC - Metric h8 Tolerance - Image 3](https://m.media-amazon.com/images/I/51BocXZEiaL.jpg) ![2 PCS 8mm x 500mm (0.315 x 19.69 inches) Vigorous Linear Motion Rods, Case Hardened Chrome Shaft Linear Rail Rod Shaft for 3D Printer, DIY, CNC - Metric h8 Tolerance - Image 4](https://m.media-amazon.com/images/I/71JRBOmt4-L.jpg) ![2 PCS 8mm x 500mm (0.315 x 19.69 inches) Vigorous Linear Motion Rods, Case Hardened Chrome Shaft Linear Rail Rod Shaft for 3D Printer, DIY, CNC - Metric h8 Tolerance - Image 5](https://m.media-amazon.com/images/I/61X+uz1EV9L.jpg) ## Available Options This product comes in different **Size, Number Of Items** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Great linear guides. *by A***R on October 17, 2025* Very smooth and straight. These are rigid as well, which is important at 450mm. No binding or noise from the bearings. Really impressive given the price. ### ⭐⭐⭐⭐⭐ Quality product *by D***H on March 9, 2026* Verry nice Quality , strong for my project of a rock tumbler..... ### ⭐⭐⭐⭐⭐ It's a strong stainless steel rod. Does what it say it do *by N***O on March 18, 2025* Super sturdy. Can easily support my full body weight without permanently deforming. I have this rotating in a set of two bearings about 2.5 feet apart, and it's critical that the axel stay very straight, and this rod has done awesome. Hard enough that the set screws don't chowder the surface when they are locked in place, but not so hard that the set screws just slide over the surface. --- ## 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.com.ar/products/609678440-2-pcs-8mm-x-500mm-0-315-x-19-69](https://www.desertcart.com.ar/products/609678440-2-pcs-8mm-x-500mm-0-315-x-19-69) --- *Product available on Desertcart Argentina* *Store origin: AR* *Last updated: 2026-05-23*