How To Remove The Extensions M1-34a From Leadscrew M1-35a On Atlas Mill

Restorer said:
Rob,
The reason the nut wore is the key way on the lead screw was not properly deburred.
Use a wire wheel on a bench grinder to remove burrs and unwanted sharp edges.
Restorer
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That may have been but by the time I got the mill any burs have been worn down. Not sure if it is the original lead screw or nut but it appears to be. In any case any burs have been worn off now. I will keep this in mind as I plan to make a new lead screw for my lathe and will need to cut a key way.
 
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