20mm TAPPED Shaft 32 1/2Hardened Rod Linear Motion

32 1/2" inch long 20mm Diameter Shaft (Chrome plated) , this Shaft will make a great CNC, Router or any application needs precision linear movement.
The shaft has three taps the dimnetions of the tap is:
Inner: 5.31mm
Outer: 6.25mm
The distance between each one is: 255.19mm