Interface DesignThreadFeature (Models.OCCT)

Models a thread over length: outside on a shaft of the size's diameter, or inside a bore drilled for the size's tap. By standard, it is an ISO metric thread (iso, the default) of size such as M8, at pitch or the size's coarse pitch; or a Unified inch thread (ansi) of size such as 1/4, in series UNC (the default) or UNF, or at threadsPerInch. size is found from the face's diameter when left out. A bore at a size's nominal diameter, as a tapped hole is drawn, is refused: drill it to the tap drill to model its thread. Its faces are named thread.