--- 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: "S$38" currency: SGD in_stock: true category: "Vigorous" url: https://www.desertcart.sg/products/609678440-2-pcs-8mm-x-500mm-0-315-x-19-69 store_origin: SG region: Singapore --- # ±0.1mm length tolerance Chamfered C1.0--45° ends for easy assembly HRC55-62 hardened carbon 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:** S$38 **Availability:** ✅ In Stock ## Summary > ⚙️ Elevate your DIY and CNC game with precision that moves you forward! ## 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?** S$38 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/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 0.01mm thickness delivers corrosion resistance and a sleek, industrial look. - • **Precision Perfected:** Metric h8 tolerance ensures ultra-smooth linear motion for flawless CNC and 3D printing. - • **Versatile Powerhouse:** Ideal for CNC machines, 3D printers, injection molding, and engraving—engineered for professionals who demand precision. - • **Rock-Solid Durability:** Case hardened 45# carbon steel with HRC55-62 hardness for long-lasting, wear-resistant performance. - • **Effortless Integration:** Chamfered ends (C1.0--45°) guarantee safe, hassle-free assembly every time. ## Overview This 2-pack of 8mm x 500mm Vigorous linear motion rods features case-hardened 45# carbon steel shafts with a hardness rating of HRC55-62 and a tight metric h8 tolerance. Chrome plated for corrosion resistance and chamfered ends for easy assembly, these rods deliver exceptional straightness (≤0.1/1000mm) and surface smoothness (Ra0.05-0.08), making them perfect for high-precision applications in 3D printing, CNC, and industrial automation. ## 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 ## 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 | #15,928 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #4 in Linear Motion Guides | | Brand Name | Vigorous | | Color | Silver | | Customer Reviews | 4.8 4.8 out of 5 stars (278) | | 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 | | Number of Packs | 2 | | Part Number | LMG23030023 | | Unit Count | 2 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/31Jm+UoQ4qL.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/31fPwMIjhDL.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/31QcGw88sRL.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/51NLSgtD-LL.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. --- ## 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.sg/products/609678440-2-pcs-8mm-x-500mm-0-315-x-19-69](https://www.desertcart.sg/products/609678440-2-pcs-8mm-x-500mm-0-315-x-19-69) --- *Product available on Desertcart Singapore* *Store origin: SG* *Last updated: 2026-09-11*