| Symbol | d2 |
|---|---|
| Unit | mm |
| Attribute-ID | vdi_2230_pitch_diameter |
| Numeric ID | 12185 |
| Value Type | PMTechValue |
The pitch diameter of the bolt thread d2 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.