8mm By 450mm Linear Motion Rods Chrome Plated Shafts For Smooth Glide In 3D Printers And DIY CNC Projects Built Tough With Case Hardened 45 Steel Ultra Precise Ra0.05 To 0.08 And H8 Tolerance

8mm x 450mm Chrome-Plated Linear Motion Rod for CNC & 3D
✔️ 8mm dia x 450mm, chrome plated, Ra0.05-0.08, HRC55-62, 2Pcs

This 2-piece set includes two 8 mm diameter by 450 mm long chrome-plated linear motion rods. Made from 45# carbon steel and hardened to HRC55-62, they feature Ra0.05-0.08 surface finish and straightness ≤ 0.1/1000 mm. Chamfered ends (C1.0-45°) ease installation in CNC and 3D printer systems.

✅ 2Pcs per pack
✅ Material: 45# carbon steel
✅ Hardness: HRC55-62
✅ Surface finish: Ra0.05-0.08
✅ Straightness: ≤0.1/1000 mm
✅ Chrome plating thickness: ~0.01 mm
✅ Diameter tolerance: -0.01 to -0.03 mm
✅ Length tolerance: ±0.1 mm
✅ Chamfered ends: C1.0-45°

💡 What is a handy use for chrome plated linear motion rods in CNC and 3D printer builds?

They serve as straight, rigid guide shafts for moving parts in motion systems.

- Handy for guiding carriages and sliders in automated setups - Works with standard 8 mm bearings and bushings - Chrome plating and precise hardening extend wear life in tough environments✝️