Optionalsize: ansiThreadSizeEnumOptionalseries: ansiThreadSeriesEnumOptionalthreadsPerInch: numberOptionalunit: unitOfLengthEnumOptionalsizeThe thread size, such as 1/4 or #10.
OptionalunitThe unit every length the method takes or gives is in; the size names an inch thread whatever it is.
OptionalseriesWhether the thread is coarse (UNC) or fine (UNF); #0, which has no coarse thread, is cut fine.
OptionalthreadsA pitch of the thread's own, as threads to the inch, at least the size's coarsest; it
overrides series. Left out, the series' pitch.
A Unified inch thread size, its series or its own threads per inch, and a unit, for
engineering.mechanical.threads.ansi.thread.