20mm Linear Motion Shaft - 32" Length Steel Rod - Precision Ground

20mm Diameter Linear Motion Shaft - 32" Length - Precision Ground Steel Rod for CNC & Automation

This 20mm diameter linear motion shaft, measuring 32 inches long, is a precision-ground steel rod designed for smooth and accurate motion in CNC machines, 3D printers, robotics, and other automation systems. Engineered from hardened, high-strength steel, this shaft offers exceptional straightness, durability, and wear resistance, even under continuous use and load-bearing conditions.

Its polished, low-friction surface allows for seamless linear bearing travel, making it a go-to solution for systems that demand tight tolerances and repeatable performance.

🔧 Product Specifications:

• ✅ Type: Linear Motion Shaft / Steel Rod

• ✅ Diameter: 20mm

• ✅ Length: 32 inches (approx. 812.8mm)

• ✅ Material: Hardened & Ground Steel

• ✅ Finish: Polished, Precision Ground

• ✅ Tolerance: Suitable for linear bearings (e.g., LM20UU)

• ✅ Application: CNC Machines, 3D Printers, Linear Slides, Automation Rails

• ✅ Quantity: 1 Shaft

💡 Customer Tip - Why is a precision-ground shaft important for linear motion systems?
Answer: Precision-ground shafts provide uniform diameter and surface smoothness, ensuring stable, low-friction travel for linear bearings. This reduces vibration, improves accuracy, and extends the lifespan of both the shaft and the bearing.

⚙️ Choose this 20mm x 32" linear shaft when your project demands rigidity, accuracy, and long-term motion control in industrial or DIY builds.