07-03-2014, 06:29 AM
Ed, I suspect that when you examine the nut for scratches from the trough you'll find the marks to be on the corners that have resulted by the flat milling to reduce the nut's downward length. (boy! in the efforts to 'splain clearly I seem to have composed a confusing prattle 
) .
All that to say, rounding the corners by file or mill will eliminate the interference.
) .All that to say, rounding the corners by file or mill will eliminate the interference.
Busy Bee 12-36 lathe, Busy Bee Mill drill, Busy Bee 4x6 bandsaw, Homemade 9x17 bandsaw, Ad infinitum.