ISO 8752
ISO 8751, Heavy Duty Spring Type Straight Pins ( Roll Pins ) Standard
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ISO 8752, Heavy Duty Spring Type Straight Pins ( Roll Pins ) as below:
| Size | a | d1 | d2 | s | |
| min. | max. | approx. | |||
| 1 | 0.15 | 1.2 | 1.3 | 0.8 | 0.2 |
| 1.5 | 0.25 | 1.7 | 1.8 | 1.1 | 0.3 |
| 2 | 0.35 | 2.3 | 2.4 | 1.5 | 0.4 |
| 2.5 | 0.4 | 2.8 | 2.9 | 1.8 | 0.5 |
| 3 | 0.5 | 3.3 | 3.5 | 2.1 | 0.6 |
| 3.5 | 0.6 | 3.8 | 4.0 | 2.3 | 0.75 |
| 4 | 0.65 | 4.4 | 4.6 | 2.8 | 0.8 |
| 4.5 | 0.8 | 4.9 | 5.1 | 2.9 | 1.0 |
| 5 | 0.9 | 5.4 | 5.6 | 3.4 | 1.0 |
| 6 | 1.2 | 6.4 | 6.7 | 3.9 | 1.25 |
| 8 | 2.0 | 8.5 | 8.8 | 5.5 | 1.5 |
| 10 | 2.0 | 10.5 | 10.8 | 6.5 | 2.0 |
| 12 | 2.0 | 12.5 | 12.8 | 7.5 | 2.5 |
| 13 | 2.0 | 13.5 | 13.8 | 8.5 | 2.5 |