... . Max processing pitch: 1800x640mm 4. Min processing pitch: 130x32mm Three- row Boring Drill Machine (MZ213T) details are as follows: 1. Performance ... of processing functions done at the same time. And single row can be used for 0-90 ° rotation, complete the ... intensive, large-scale, high-volume, high technology requirements of multi-row porous hole site of wood bit efficient production process. 3 ...