MZ7321D/MZ7421D Three-row/Four-row Multiple Spindles Drilling Machine
| MZ7321D | MZ7421D | ||
| Motor total power | kW | 3×1.5 | 4×1.5 |
| Motor speed | r/min | 2840 | 2840 |
| Working table size | mm | 1800×1000 | / |
| Working table height | mm | 920 | 920 |
| Max. workpiece thickness | mm | 60 | 60 |
| Drilling depth | mm | 60 | 60 |
| Compressed air pressure | Mpa | 0.5-0.6 | 0.5-0.6 |
| Min. spindle center distance | mm | 32 | 32 |
| Amount of drilling spindles | pc | 21×3 | 21×4 |
| Max. spindle center distance | mm | 640 | 640 |
| Overall dimensions | mm | 2622×2435×1480 | 3200×2435×1480 |
| Net.weight | kg | 1510 | 1800 |