Two Pack 8mm By 150mm Linear Motion Rods For 3D Printers And CNC Machines With Precision Ground Tolerances And Hard Chrome Plated Carbon Steel Shafts For Smooth Bearing Fit

Two-Pack 8mm x 150mm Linear Motion Rods for 3D Printers
✔️ Precision-ground 8mm dia to -0.005 to -0.03mm, 150mm long

These 8mm x 150mm linear motion rods are precision-ground carbon steel shafts with a 10-20µm hard chrome plating. They are designed for smooth bearing fit in 3D printers, CNC machines, and automation projects.

✅ Diameter: 8mm (tolerance -0.005 to -0.03mm)
✅ Length: 150mm ±0.5mm with burr-free mirror finish
✅ Material: C45 carbon steel with low impurity content
✅ Hard chrome plating: 10-20µm, hardness 57-62 HRC
✅ 2-Pack set for dual-axis upgrades

💡 What is a precision linear motion rod used for in 3D printers and small CNC setups?

In short, it provides straight, low-friction guidance for moving parts.

✅ Helps ensure consistent axis alignment
✅ Tight diameter tolerance yields smooth bearing fit
✅ Durable chromium plating resists wear for long life
✅ Includes 2 rods for dual-axis setups ✝️