| Screw Thread | M27 | ||
| P | 3 | ||
| B | L≤125 | 60 | |
| B | 125＜L≤200 | 66 | |
| B | L＞200 | 79 | |
| D2 | Min=Nominal Size | 25 | |
| D2 | Max | 25.052 | |
| Sd | Max | 50 | |
| Sd | Type A | Min | 48.4 |
| Sd | Type B Ans C | Min | 49.38 |
| R | Nominal Size | 10 | |
| R | Max | 15 | |
| R | Min | 7.5 | |
| S | Type A | Max | 30 |
| S | Type A | Min | 29.16 |
| S | Type B And C | Max | 27 |
| S | Type B And C | Min | 26.79 |