Technical parameters ：
| MAX Diameter of holes | 35mm |
| Depth of drilled holes | 60mm |
| Vertical spindle heads | 140-1700mm |
| the number of spindles | 21轴×3排 |
| Rotation of spindle | 2840r/min |
| power | 1.5kw×3 |
| air pressure | 0.6-0.8mpa |
| installation dimension | 2650×2500×1600mm |
| weight | 1050kg |
