Feed Screw, Y-Axis Extended 

Feed Screw, Y-Axis Extended
Part Number: 3133
Weight: 0.43 lb

Price: $15.95

In stock
This is the extended Y-axis screw for the Super-X1 micro mill.

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

Item No Models
21 4660 HiTorque Micro Mill 4700 HiTorque Micro Mill
Click your model to see the complete parts list.