X-Axis feed screw for the mini mill. It is the feed screw that comes with the power feed kit.

This 16 thread per inch feed screw is used on mini mills where the table advances 0.0625" per turn of the hand wheel.

It has an extension of about 2.87" on the left end for the power feed drive to engage.

The X-Axis is the left-to-right feed on the mini mill.