ISO 5211:2001(E) Mounting Dimensions:
| Flange Type | Female Drive | Bolt Circle |
| F03 | 9mm (.354" Sq.) | 36mm (1.417" Sq.) |
| F04 | 11mm (.433" Sq.) | 42mm (1.654" Sq.) |
| F03/F04 (F03 Flange) | 11mm (.433" Sq.) | 36mm (1.417" Sq.) |
| F05 | 14mm (.551" Sq.) | 50mm (1.969" Sq.) |
| F07 | 17mm (.669" Sq.) | 70mm (2.756" Sq.) |
| F10 | 22mm (.866" Sq.) | 102mm (4.016" Sq.) |
| F12 | 27mm (1.063" Sq.) | 125mm (4.921" Sq.) |
| F14 | 36mm (1.417" Sq.) | 140mm (5.512" Sq.) |
| F16 | 46mm (1.811" Sq.) | 165mm (6.496" Sq.) |
| F25 | 55mm (2.165" Sq.) | 254mm (10.000" Sq.) |
| F30 | 75mm (2.953" Sq.) | 298mm (11.732" Sq.) |
The above dimensions were taken from the International Standard ISO 5211 First edition 2001-02-15 and are only a small representation of the information available in International Standard ISO 5211.