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14 Inches HDD Rock Drilling Back Reamer
Metal-face Sealed Bearing Cutters For 8 1/2" Tricone Bit
|Roller Cutter Quantity||4|
|Thread Connection||3 1/2 IF pin & box(Customized)|
|Application||Medium formations, such as medium shale,limestone, medium sandstone, medium formation with harder and abrasive interbeds,etc.|
14 Inches HDD rock drilling back reamer is 355.6mm, HDD drillers always drill 6" or 6 1/2" as pilot hole, then reaming from 6" to 8", then from 8" -->10"/12"-->16"-->20"-->24"-->28"--...>44", 4" per step, or 6" per step by high capacity trencher.
We could provide the best reaming solution according to the capacity of your drilling rig ( trencher ) and project details.
Lower the cost of
Who we are:
To extract sources of energy underground.
To extract the water underground.
To install pipelines underground with No-Dig.
To pile foundation for constructions.
We are one of the people who makes above easier.
Let’s work together and enjoy this job.
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