Feed Screw, X-Axis X1 Micro Mill 

Feed Screw, X-Axis X1 Micro Mill
Part Number: 2149
Weight: 0.45 lb

Price: $21.68

In stock
This is the standard X-axis feed screw for the X1 micro mill.

In your instruction manual, this part appears on the parts list as:

Item No Models
111  Harbor Freight 47158 Central Machinery Micro Mill
Clarke CMD10 Metalworker Micro Mill
Various X1-US SIEG Micro Mill
Click your model to see the complete parts list.