Re: Metric


David Beierl
 

 I can cut external threads that accept a commercial nut with a calculated thread error of up to 6% for .7 to 3 mm pitch

I would think that "will accept the nut" is too loose a criterion, unless the application could be served by a single-turn nut.  That would imply that you are willing to allow deformation of up to one whole thread-pitch under load before each of the few threads in the nut make contact.

Yrs,

Join SouthBendLathe@groups.io to automatically receive all group messages.