If you have never tried silver solder, it is real handy for jobs like this. The acme nut and feed screw was worn out on my project lathe cross slide. I made a new nut and bought a piece of precision acme rod. I bored a recess in the side of the nut for the locating post. These were made out of SAE 660 bushing stock. I cut the worn out threaded portion off the shaft and made a steel sleve to connect the new threaded portion.
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