2Pcs 12mm x 200mm Linear Rail Rod Shafts, case hardened chrome plated C45 carbon steel linear motion guides with smooth bearing support, accurate diameter and length tolerance for CNC, 3D printers and automated machinery

2Pcs 12mm x 200mm Chrome Linear Rail Rod Shaft for Motion Systems
✔️ Case Hardened Linear Shaft Guide for 3D Printers and CNC

This is a set of case hardened linear rail rod shafts designed for smooth, controlled motion in compact precision builds. These rods are commonly used in 3D printers, CNC machines, engraving equipment, and automated machinery where accurate bearing guidance and straight travel are essential. Pack size is 2 pieces.

✅ Pack size: 2 pieces
✅ Shaft diameter: 12 mm
✅ Shaft length: 200 mm
✅ Diameter tolerance: ±0.5 mm
✅ Material: C45 carbon steel
✅ Surface finish: chromium plated for improved wear resistance
✅ Case hardened outer layer for extended service life
✅ Designed for linear bearing and guided motion applications
✅ Commonly used in CNC, 3D printers, automation, and molding machines

Dimensions
Diameter 12 mm
Length 200 mm

💡 Why are case hardened chrome linear shafts important in linear bearing systems?
Case hardened chrome linear shafts are engineered to deliver smooth motion while holding accuracy under constant sliding loads.

• Hardened surface reduces wear from linear bearings and bushings

• Chrome plating improves smooth travel and corrosion resistance

• Maintains straightness and alignment during repeated motion cycles

• Well suited for precision linear guides in CNC and automated machinery

A handy choice when you need compact, durable linear shafting that keeps motion smooth, accurate, and reliable in precision-driven mechanical setups.