Modern Multiple Spindle Drilling Attachment

Productivity and performance of the existing drilling machine can not be possible, now some change will be increased productivity by Multiple Spindle Drilling Head. Some advantage will be achieve to multi head drilling spindle.
1. Increase the production due to multiple No. of spindle.
2. Hole / tapping position accuracy achieved.
3. Operation cycle time will be reduce because one hole timing is equal to multi spindle operation timing.

[@عراقيبلاعنوان]

Is it real?what is called

[@laxmikantreddy6567]

Can we vary the diameter dimensions using the same drill bits in multi spindle ??