Linear Motion Rods, FEYRINX 2PCS 8mm x 362mm (.315 x 14.25 inches) Case Hardened Chrome Linear Rail Shaft for 3D Printer, DIY, CNC – Metric h8 Tolerance

Features:
Quite smooth surface, resistant to rust and corrosion.
Made of high quality bearing steel, the linear rod are durable and sturdy.
Shaft diameter and length specified for accurate fit.

Specifications:
Color: Silver
Size: 8mm x 362mm(0.315 x 14.25 inches)
Material: High Quality Carbon Steel (C45#)
Hardness: 55-60 HRC
Surface Hard-thickness: 0.8 – 2.5mm
Surface roughness: 0.8S – 1.6S
Straightness: Below 5μm/100mm
Surface Chrome thickness: 10um-20um
Surface Finish Quality: Ra 0.8

Package Included:
2 * Linear Rail Shaft(8mmx350mm)