| Screw Thread | M8 | ||
| D | 8 | ||
| P | 1.25 | ||
| B | L≤125 | 22 | |
| B | 125＜L≤200 | 28 | |
| B | L＞200 | 41 | |
| C | Max | 0.6 | |
| C | Min | 0.15 | |
| Da | Max | 9.2 | |
| Ds | Nominal | 8 | |
| Ds | Grade A | Min | 7.78 |
| Ds | Grade B | Min | 7.64 |
| Dw | Grade A | Min | 11.63 |
| Dw | Grade B | Min | 11.47 |
| E | Grade A | Min | 14.38 |
| E | Grade B | Min | 14.2 |
| K | Nominal | 5.3 | |
| K | Grade A | Max | 5.45 |
| K | Grade A | Min | 5.15 |
| K | Grade B | Max | 5.54 |
| K | Grade B | Min | 5.06 |
| K1 | Grade A | Min | 3.61 |
| K1 | Grade B | Min | 3.54 |
| R | Min | 0.4 | |
| S | Max | 13 | |
| S | Grade A | Min | 12.73 |
| S | Grade B | Min | 12.57 |