Beefed Up Linear Motion Guide Shaft 20mm X 400mm Chrome Plated Case Hardened Steel For 3D Printers And CNC Machines Ultra Smooth Glide And High Precision Straightness Under 0.1/1000mm

Single 20x400 mm Chrome-Plated Linear Motion Shaft for CNC
✔️ 20 mm dia x 400 mm length, chrome plated, 58-64 HRC high hardness

This precision linear motion shaft is a 20 mm diameter rod designed for CNC machines, 3D printers, robotics, and automation systems. It serves as the core guide element for linear bearings and enclosed sliders, delivering smooth, accurate motion and repeatable positioning.

✅ 20 mm dia x 400 mm length for standard 20x400 setup
✅ Material: C45 carbon steel with chrome plating for durability
✅ Straightness under 0.1/1000 mm; hardness 58-64 HRC for long life
✅ Compatible with linear support blocks and enclosed sliders in 3D printers, CNCs, robotics
✅ Silver-tone chrome finish offers corrosion resistance and easy maintenance

💡 What is a linear motion shaft used for in automation and CNC systems? A handy overview helps shoppers see value.
- linear guide shaft provides smooth, precise movement in printers, CNCs, and robotics
- chrome plated, hardened steel resists wear in high-cycle environments
- compatible with sealed ball bearing blocks and enclosed sliders for clean, accurate travel