DIN 7343
DIN 7343 , Spiral Pins , Spiral Spring Pins
Dimension of DIN 7343 as below:
 |
| Size / Nom. dia. | d1 max | d1 min. | d2 max. | a approx. | s |
| 1 | 1.15 | 1.05 | 0.95 | 0.3 | 0.08 |
| 1.2 | 1.35 | 1.25 | 1.15 | 0.4 | 0.1 |
| 1.5 | 1.73 | 1.62 | 1.4 | 0.5 | 0.13 |
| 2 | 2.25 | 2.13 | 1.9 | 0.7 | 0.17 |
| 2.5 | 2.75 | 2.65 | 2.4 | 0.7 | 0.21 |
| 3 | 3.3 | 3.15 | 2.9 | 0.9 | 0.25 |
| 3.5 | 3.84 | 3.67 | 3.4 | 1 | 0.29 |
| 4 | 4.4 | 4.2 | 3.9 | 1.1 | 0.33 |
| 5 | 5.5 | 5.25 | 4.85 | 1.3 | 0.42 |
| 6 | 6.5 | 6.25 | 5.85 | 1.5 | 0.5 |
| 8 | 8.63 | 8.3 | 7.8 | 2 | 0.67 |
| 10 | 10.8 | 10.35 | 9.75 | 2.5 | 0.84 |