Two Pack 4mm By 100mm Linear Motion Rod Guide Shaft, Case Hardened Chrome Plated Steel, Ultra Smooth Precision Rail For 3D Printers And CNC Machines In DIY Setups

Two-Pack 4mm x 100mm Linear Motion Guide Shaft
✔️ 4 mm dia, 100 mm length, chrome plated #45 steel, 58-64 HRC

Two-pack precision linear motion shafts are designed for smooth, accurate travel in DIY CNC builds, 3D printers, and robotics. They work with linear support blocks and enclosed sliders to form a reliable linear guide system.

✅ 4 mm diameter shaft
✅ 100 mm length
✅ C45 carbon steel with chrome plating
✅ Hardness 58-64 HRC
✅ Straightness under 0.1/1000 mm
✅ Pack of 2 shafts for DIY setups

💡 What is a linear motion guide shaft used for? This handy component is the backbone of clean, precise linear motion in automation systems, 3D printers, and CNC work. - used with compatible bearings and sliders for straight travel - ideal for DIY hobbyists and light production setups - helps reduce wobble and wear with proper alignment - used in linear slide units and automation frameworks