1/4"-20 UNC SAE Acorn Nuts High Crown and Low Crown

Another 1/4"-20 acorn nut. I followed the specifications from this web site.
http://www.amesweb.info/Fasteners/NutsInchSeries/AcornHighLowCrownNutDimensions.aspx

I also made the thread dimensions according to the middle tolerance of an ANSI Class 2B fit.

I posted this at an earlier time, with an improper pitch on the thread. This was caused by some kind of error in my CAD software. I fudged the pitch length to make it work, and I am now reposting it.

If the print fails, then you can