- Drill Bit[10]
- Mining Machinery Parts[5]
- Contact Person : Mr. Tian Lixiang
- Company Name : Renqiu Dream Bits Ltd. Company
- Tel : 86-317-2273278,13833705010
- Fax : 86-317-2273278
- Address : Hebei,Renqiu,Changfeng Town Caicun Village of Renqiu City
- Country/Region : China
API 188mm TCI Single core bit / single core rock bit
YC Series single cone bit
1. Diamond enhanced carbide inserts are arranged on top of the cine of single cone bit to improve wear resistance for longer working life of the bit.
2. New type of hydraulic system enhances cone and bottom hole cleaning ability to assure higher ROP of the bit large diameter active cutting conical spherical inserts are used for gage protection on bit body, so that the bit has excellent gage holding and up-reaming abilities.
3. Single cone bit is suitable for slim hole drilling operations such as reentry and sidetracking operations.
Advantages of our products:
1. Bits sizes range from 3 7/8” to 26
2. Covers almost all IADC codes
3. Suitable for sidetracking, deep well drilling and old well repair
4. Drilling formation:medium to hard
5. Antiwear and long lifetime
6. Stocks adequate, time delivery
7. Rich experience in drill bit
8. Good after-sales service
9. High quality, competitive price
The main parameter of single-cone bit
Bit size | Std API pin shank (inch) | Nozzle aperture diameter(mm) | |
mm | inch | ||
95.25-104.78 | 3 3/4-4 1/8 | 2 3/8 REG | 8-14 |
107.95-117.48 | 4 1/4-4 5/8 | 2 3/8REG 2 7/8REG | |
120.65 | 4 3/4 | 2 3/8REG 2 7/8 REG | |
142.88 | 5 5/8-6 1/2 | 3 1/2 REG | |
190.5 | 7 1/2 | 4 1/2 REG |
Drilling weight and rotary speed size
Rock formation | Bit type | Rotary speed(r/min) | Drilling weight(kN/mm) | Pumping weight(Mpa) |
Soft formations with low compressive strength and high drillability | 437-447 | 70-40 | 0.25-0.5 | <10 |
Soft to medium formations with low compressive strength | 517-617 | 60-40 |
API 188mm TCI Single core bit / single core rock bit