| Screw Thread | M27 | ||
| D | 27 | ||
| P | 3 | ||
| A | Max | 9 | |
| A | Min | 3 | |
| C | Max | 0.8 | |
| C | Min | 0.2 | |
| Da | Max | 30.4 | |
| Dw | Grade A | Min | None |
| Dw | Grade B | Min | 38 |
| E | Grade A | Min | - |
| E | Grade B | Min | 45.2 |
| K | Nominal | 17 | |
| K | Grade A | Max | None |
| K | Grade A | Min | None |
| K | Grade B | Max | 17.35 |
| K | Grade B | Min | 16.65 |
| K1 | Grade A | Min | None |
| K1 | Grade B | Min | 11.66 |
| R | Min | 1 | |
| S | Max | 41 | |
| S | Grade A | Min | None |
| S | Grade B | Min | 40 |