Pitch diameter of the internal thread
| Symbol | D2 |
|---|---|
| Unit | mm |
| Attribute-ID | vdi_2230_nut_thread_pitch_diameter |
| Numeric ID | 12222 |
| Value Type | PMTechValue |
The pitch diameter of the internal thread D2 in the plate or the nut corresponds to the imaginary, geometrically ideal circular cylinder which cuts through the thread profile in such a way that the widths of the profile valleys (open spaces) and peaks (teeth) that are created are equal.
The pitch diameter of the internal thread D2 and of the external thread of the bolt d2 are equal.