| Screw Thread | M3 | ||
| D | 3 | ||
| P | 0.5 | ||
| A | Max | 1.5 | |
| A | Min | 0.5 | |
| C | Max | 0.4 | |
| C | Min | 0.15 | |
| Da | Max | 3.6 | |
| Dw | Grade A | Min | 4.57 |
| Dw | Grade B | Min | 4.45 |
| E | Grade A | Min | 6.01 |
| E | Grade B | Min | 5.88 |
| K | Nominal | 2 | |
| K | Grade A | Max | 2.125 |
| K | Grade A | Min | 1.875 |
| K | Grade B | Max | 2.2 |
| K | Grade B | Min | 1.8 |
| K1 | Grade A | Min | 1.31 |
| K1 | Grade B | Min | 1.26 |
| R | Min | 0.1 | |
| S | Max | 5.5 | |
| S | Grade A | Min | 5.32 |
| S | Grade B | Min | 5.2 |