30mm By 1000mm Chrome Linear Motion Rod For 3D Printers CNC DIY Dope High Precision Shaft With Case Hardened Steel H8 Tolerance And Ra0.05 To 0.08 Finish Straightness 0.1mm Per 1000mm Durable Mount Ready

30x1000mm Chrome Linear Motion Rod, 1pc for CNC
✔️ 30x1000mm chrome rod, HRC55-62, Ra0.05-0.08, straightness 0.1/1000

This 30x1000mm chromed linear motion rod is built for CNC machines, 3D printers, and automation setups, offering precise, durable performance in bearing-supported guides.

✅ Material: 45# carbon steel with chrome finish
✅ Hardness: HRC55-62; Ra0.05-0.08
✅ Straightness: ≤0.1mm per 1000mm; length tolerance ±0.1mm
✅ Chrome plating thickness: ~0.01mm
✅ Diameter tolerance: -0.01 to -0.03mm; chamfered ends C1.0-45°
✅ Ends chamfered for safe assembly; ready to mount

💡 What is a linear motion rod used for in CNC machines and 3D printers? This handy guide explains typical uses and benefits. - Provides precise alignment for gantry and tooling
- Supports smooth, accurate linear travel in axis systems
- Durable chrome-plated steel handles high-load, long-life cycles