Trenchless HDD Rock Drilling Reamer Bit Hole Opener
HDD rock drilling reamer bit hole opener for trenchless
Hole opener
Large-diameter combined drill bits are widely used in construction, bridges, highways, railways and other fields. This series of drill bits are suitable for shale, limestone, cobblestone, dolomite, conglomerate and other formations.
1. Bit bearing is non-sealed roller bearing.
2. Suitable for medium to medium hard formation of high Crushing Resistanc( hard shale, sands, etc.)
3. Hardfacing is applied on the shirttail, and carbide inserts for gage protection are pressed into the head OD.
4. Cone gage surface is reinforce with carbide compacts.
| Use | Well Drilling |
| Machine Type | Drilling Equipment |
| Application | HDD reamer |
| Usage | Hole Drilling |
| Advantage | High Performance Cost Ratio |
| Applicable Industries | Construction works , Energy & Mining |
| Reamer Size | Cone size and # of Cones | Threads |
| Cone size | #of Cones | Cone size | # of Cones |
| 10“ | 6 1/2” | 3 | | | NC23 NC26(2 3/8IF) D50 D80 NC31(2 7/8IF) NC38(3 1/2IF) |
| 12“ | 8 1/2” | 3 | | |
| 16“ | 8 1/2”or 9 1/2” | 4 | | | For 8 1/2”-9 1/2” Cone: NC23 NC26(2 3/8”IF) D50 D80 NC31(2 7/8”IF) NC38(3 1/2”IF) For 12 1/4”-13 5/8” Cone: 4”IF 4 1/2IF 5 1/2FH 6 5/8FH |
| 18”-20“ | 5 | 12 1/4” | 4 |
| 22”-24“ | 6 | 12 1/4” or 13 5/8” | 5 |
| 28”-30” | 7 | 6 |
| 32”-34” | 8 | 7 |
| 36“-38” | 9 | 8 |
| 40“-42” | 10 | 9 |
| 44“-46” | 11 | 10 |
| 48”-50” | 12-13 | 11 |
Our service
1. Pre-sale service:
Act as a good adviser and assistant of clients enable them to get rich and generous returns on their investments . 1. Select
equipment model. 2. Design and manufacture products according to client's special requirement ; 3. Train technical personnel for
clients .
2. After-sale services:
Provide considerate services to minimize clients' worries.
1. Complete After-sales service,professional engineers available to service machinery at home or oversea.
2. 24 hours technical support by e-mail.
3. Other essential technological service.
We are factory direct sales, large inventory, fast delivery, high quality.
FAQ
1. What are the advantages of your company ?
Answer: We have many professionals, technical personnel, more competitive prices and
best after-sales service than other companies.
2. Do you agree sample order?
Answer: Yes, we are welcome your sample order to testing our quality.
3. How to control the quality?
Answer: We should be checking & testing everyone drill bit before shipment.
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Trenchless HDD Rock Drilling Reamer Bit Hole Opener Images
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