It fits for various types of electronic equipment,printer equipment,and CNC tools.
Good wear resistance ,corrosion resistance .
Precision ground for consistent ball bushing radial clearance.
Material: High carbon chromed bearing steel, Gcr15.
Surface hard thickness: 0.8mm
Outer diameter : 8mm
Length : About 390mm(Please allow +-2mm different.)
1x 8MM Cylinder Linear Rail Shaft Optical Axis
Note: The color of the item may vary slightly due to photography and your own computer