HDD reamer drilling bits
Trenchless bit is kind of single roller bit which can be used to make a reamer.
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Tianjin Grand Construction Machinery Technology Co., Ltd. deeply engaged in rock breaking tools more...
drill-bit
Our Grand PDC bit adopts 16mm claw PDC cutting teeth and large blade design. It can drill medium to medium hard strata. It is recommended to drill shale, mudstone, Cemented Sandstone and carbonate rock with medium compressive strength.
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