Design and recommended dimensions for threaded holes for connecting oil supply
 | ||||
| Design A | Design B | |||
| Thread | Design | Dimensions | ||
| Ga | Gb | Gc1) | Na | |
| max. | ||||
| – | – | mm | ||
| M6 | A | 10 | 8 | 3 |
| G 1/8 | A | 12 | 10 | 3 |
| G 1/4 | A | 15 | 12 | 5 |
| G 3/8 | B | 15 | 12 | 8 |
| G 1/2 | B | 18 | 14 | 8 |
| G 3/4 | B | 20 | 16 | 8 |
- 1) Effective threaded length
