CNC Threading will calculate the values to be used when machined thread.
Try testing in trial version: CNC Threading trial
You can calculate the following threads.
Pipe tapered thread(PT, R)
Pipe straight thread(PF, G)
National Pipe tapered thread(NPT)
You can use the following features:
You can calculate each element of the thread.
You can calculate the coordinates for the contour cutting.
You can calculate the cutting pass for the thread.
You can generate NC_code: G76, G92
You can convert the unit between mm and inch.