200mm Oil Well Drill Bits HDD Rock Reamer Hole Opener
Product Description
hole opener/HDD hole opener:
The reaming bit is mainly composed of more than 3 cones. The
cutting structure adopts high-quality tungsten carbide, and adopts
the formula of high-quality carbide blades and new technology to
improve the wear resistance of the reamer.
1. Application: The hole opener can expand the small borehole to a larger diameter
in the construction field, bridge construction, highway
construction, railway construction and other fields. This drill bit
is suitable for different complex formations, shale, limestone,
pebbles, etc.
2. Cutting structure: The hole opener always has multiple tapers. The drill bit cone and
the three cone drill bit are separated and welded
In order to manufacture large diameter drill bits, the pilot device
is equipped with a hole opener.
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:
Become a good adviser and assistant to customers so that they can
get a good return on investment. 1. Select the device model. 2.
Design and manufacture products according to customer special
requirements;
2. Services during the sale:
1. Pre-check and accept products ahead of delivery .
2. Help clients to draft solving plans .
3. After-sale services:
Provide considerate services to minimize customer worries.
1. Perfect after-sales service, professional engineers can repair
the machine at home or overseas.
2. Provide 24-hour technical support via email.
3. Other basic technical services.
We are factory direct sales, large inventory, fast delivery and
high quality.
| Use | Well Drilling |
| Application | HDD reamer |
| Machine Type | Drilling Equipment |
| Usage | Hole Drilling |
| Advantage | High Performance Cost Ratio |
| Applicable Industries | Construction works , Energy & Mining |
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. Can we select the color of the drill bit?
Answer: Yes, we have the color of bule, golden, silvery for your
choose. If you need, we can make the drill bit color based on
yours.
3. How to control the quality?
Answer: We should be checking & testing everyone drill bit before
shipment.
