hello everyone
attached the file you can find thread, the angle of one side is minus(-3.0 degree), so it is better to program parameter programing using former tool in stead of G92, can anyone give me the marco formula, thank you.

another question
when use cross drill to drill a hole(5.0mm) on round material(20.0mm), it's need chamfer, but the chamfer dimension is same, can everyone give me marco program, this machine is not c axis function. thank you.