DSDH-850 & 850F
- DSDH850 is rotation drill head for water well & geothermal
- DSDH850F is rotation drill head for exploration drilling (Diamond drilling)
- DSDH850 can be used up to 400M depth
- DSDH850F can be used up to 700M (NQ drilling)
- Strong power
- Oil circulation method in gear box
- Simple design - easy operation & maintenance
- Economic assembly for spare part
- Less noise