| DIN 1970 TAPPING SCREW | |||||
| DIN1970規格鐵板螺絲 | |||||
| 規格 | 牙數T | 外徑（D） | 輾造徑 | ||
| MAX | MIN | MAX | MIN | ||
| 2.2 | 0.79 | 2.24 | 2.13 | 1.80 | 1.75 |
| 2.9 | 1.06 | 2.90 | 2.79 | 2.30 | 2.25 |
| 3.5 | 1.27 | 3.53 | 3.43 | 2.80 | 2.75 |
| 3.9 | 1.34 | 3.91 | 3.78 | 3.15 | 3.10 |
| 4.2 | 1.41 | 4.22 | 4.08 | 3.40 | 3.35 |
| 4.8 | 1.59 | 4.80 | 4.65 | 3.85 | 3.80 |
| 5.5 | 1.81 | 5.46 | 5.31 | 4.40 | 4.35 |
| 6.3 | 1.81 | 6.25 | 6.10 | 5.15 | 5.10 |
| 8.0 | 2.12 | 8.00 | 7.82 | 6.75 | 6.70 |
