Hardened Shaft - 13" Length - 20mm Diameter Rod - Linear Motion

Hardened Shaft - 13" Length - 20mm Diameter 
Precision Linear Motion Guide Rod - Hardened Steel

This 13-inch long, 20mm diameter hardened shaft is designed for smooth, precise linear motion in CNC machines, 3D printers, and automated systems. Made from high-carbon steel, it provides excellent wear resistance, rigidity, and dimensional stability.

✅ Item: Hardened Linear Shaft
✅ Length: 13 inches (approx. 330mm)
✅ Diameter: 20mm
✅ Material: Hardened Steel
✅ Surface Hardness: HRC 60±2
✅ Surface Finish: Polished, corrosion-resistant
✅ Tolerance: h6 precision
✅ Straightness Accuracy: ≤ 0.05mm per 300mm
✅ Compatible With: LM20UU linear bearings
✅ Quantity: 1 Shaft

💡 What’s the advantage of using a hardened linear shaft in motion systems?
Hardened shafts resist bending and wear under high loads, making them ideal for smooth, accurate travel in machines using linear bearings. Their polished, hard surface reduces friction and increases bearing life.