| Screw Thread | M4 | ||
| D | 4 | ||
| P | 0.7 | ||
| B | L≤125 | 14 | |
| B | 125<L≤200 | 20 | |
| B | L>200 | 33 | |
| C | Max | 0.4 | |
| C | Min | 0.15 | |
| Da | Max | 4.7 | |
| Ds | Nominal | 4 | |
| Ds | Grade A | Min | 3.82 |
| Ds | Grade B | Min | 3.7 |
| Dw | Grade A | Min | 5.88 |
| Dw | Grade B | Min | 5.74 |
| E | Grade A | Min | 7.66 |
| E | Grade B | Min | 7.5 |
| K | Nominal | 2.8 | |
| K | Grade A | Max | 2.925 |
| K | Grade A | Min | 2.675 |
| K | Grade B | Max | 3 |
| K | Grade B | Min | 2.6 |
| K1 | Grade A | Min | 1.87 |
| K1 | Grade B | Min | 1.82 |
| R | Min | 0.2 | |
| S | Max | 7 | |
| S | Grade A | Min | 6.78 |
| S | Grade B | Min | 6.64 |