Wholesale 14 Inches HDD rock drilling back PDC reamer in the stock from China factory 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.
Application: Hard formations for high compressive strength,such as sandstone,hard shale,dolomite,hard gypsum,chert, granite, etc. Far Eastern are factory specializes in drill bits,such as HDD hole opener,Foundation roller cutters ,PDC drill bit,roller cone bit, tricone roller cone bit, tricone bits for different applications. The application including oil field,natural gas,geological exploration,driectional boring,mining ,water well drilling ,HDD, construction,and foundation. As a leading drill bits factory in China,increase the drill bit working life is our target. We always try to improve the bits with high penetration rates.Our purpose is to sell the high quality with the lowest price.Far eastern drilling quality and technology will help you to achieve more !
| Size | 14" |
| Cutter Type | Metal-face Sealed Bearing Cutters For 8 1/2" Tricone Bit |
| IADC | 637 |
| Roller Cutter Quantity | 4 |
| Overall Length(mm) | 1300 |
| Thread Connection | 3 1/2 REG pin & box(Customized) |
