Product model: NUMA180
Application:Water well,Foundation
Thread:HEX
PRODUCT DETAILS
| Model | Thread connection | Quter diameter(mm) | Rec.hole size(mm) | Shank style | Bit with foot valve | Length without bit(mm) | Weight without bit(kg) | Working pressure(bar) |
| 18" | ||||||||
| TH18HN | HEX | 406 | 500-700 | NUMA180 | with | 2425 | 1530 | 17-24 |
DTH BIT SHANK WITH --NUMA180
For water well,depep hole well,oil and gas open hole drilling
For foundation and piling drilling
High drilling speed
low air consumption
Long service life
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