2Pcs 16mm x 500mm 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 16mm x 500mm 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, steady motion in mid to long travel mechanical systems. These rods are commonly used in 3D printers, CNC machines, engraving equipment, and automated machinery where stronger shaft support, straight travel, and reliable bearing contact are required. Pack size is 2 pieces.

✅ Pack size: 2 pieces
✅ Shaft diameter: 16 mm
✅ Shaft length: 500 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 16 mm
Length 500 mm

💡 Why are case hardened chrome linear shafts used in precision linear bearing systems?
Case hardened chrome linear shafts are built to handle repeated sliding motion while keeping accuracy over time.

• Hardened surface limits wear from linear bearings and bushings

• Chrome plating improves smooth travel and surface durability

• Maintains straightness and alignment under continuous motion

• Well suited for linear guides in CNC machines and automated equipment

A handy choice when you need strong, smooth-running linear shafting that delivers reliable bearing support and consistent motion in precision mechanical builds.