Four Pack 6mm By 300mm Chrome Plated Linear Rods, Case Hardened Smooth Shafts For Precision Motion Guides, Metric H8 Tolerance, 11.81 Inch Length, Ideal For CNC Machines And DIY Projects

Four Pack 6mm x 300mm chrome linear shafts for CNC
✔️ 4 pieces, 6mm dia x 300mm long chrome shafts (6mm/0.236in; 11.81in)

These chrome-plated linear shafts are precision-grade guide rods used in CNC machines, 3D printers, engraving systems, and automation setups to provide smooth, accurate linear motion.

✅ 4 pieces, 6 mm diameter x 300 mm length (6 mm / 0.236 in; 11.81 in) chrome shafts
✅ Chrome plating 15-20 µm for corrosion resistance
✅ Case hardness 58-64 HRC for durability
✅ Chamfered ends for easy install and finger safety
✅ Straightness under 5 µm per 100 mm
✅ Ra 0.8 surface finish with 0.8-1.6 µm roughness

💡 What is a chrome plated linear shaft used for in precision motion systems? This handy guide rod provides straight travel, wear resistance, and reliable support in CNC machines, 3D printers, engraving tools, and automation racks.
- Ideal for guide rails and bearings to improve accuracy
- Easy to swap in for DIY builds and upgrades
- Durable against corrosion in workshop environments
- Compatible with common end finishing and length options