Hatch Chain
| Diameter d(mm) |
Pitch P(mm) |
Inner Width a(mm) |
Test Load (kN) |
Breaking Load (kN) |
| 14 | 50 | 18 | 110 | 190 |
| 16 | 55 | 21 | 210 | 280 |
| 18 | 64 | 24 | 250 | 340 |
| 19 | 72 | 28 | 280 | 390 |