Thank you for quick response blacksmith37.
Well to be honest I am new in this matter and it is width field :) What I am doing is "box test connector" 6-5/8 API REG Low Torque thread. The item looks more less like this on attached picture, Spec 7-2 was most detailed document describing the thread...
I am new here and I'd like to ask for little help.
I am CNC programmer and going to make Interenal 6-5/8" API REG thread, I do have "Specification for Threading and
Gauging of Rotary Shouldered Thread Connections ANSI/API SPECIFICATION 7-2" and I did find almost all dimmensions excluding...