| Place of Origin:Hebei, China | Type:Center Drill Bit |
| Use:Well Drilling, Well Drilling | Material:Tungsten Carbide |
| wob:23-75kn | RPM:60-500 |
| gage length:1mm | guarantee period:3-4 years |
Specification:
| Double tube surface | ||||
| Size( surface exploration drill | Matric system(mm) | Imperial system( in ) | ||
| Hole diameter | Core diameter | Hole diameter | Core diameter | |
| BQ | 60 | 36.4 | 2.36 | 1.43 |
| NQ | 75.7 | 47.6 | 2.98 | 1.88 |
| HQ | 96.1 | 63.5 | 3.78 | 2.5 |
| PQ | 122.7 | 85 | 4.83 | 3.34 |
| Triple tube surface | ||||
| NQ3 | 75.7 | 45 | 2.98 | 1.78 |
| HQ3 | 96.1 | 61.1 | 3.78 | 2.41 |
| PQ3 | 122.7 | 83 | 4.83 | 3.27 |
Main Features
1.High efficiency and saving labor intensity .with hydraulic automatic feeding mechanism, improve the drilling efficiency, reduce labor intensity.
2.Safe and reliable.Using the ball cassette clamping device, and can down bar without stopping ,and it is convenient to operate.
3.Easy to operate.Equipped with a pressure gauge at the bottom for measuring pressure of the bore , easy to operate.
Service
1.Professional technical support pre-sale, sale and after-sale .
2.Your problems can get feedback in 8 hours and be solved in 24 hours.
3.Machine can be customized as per your requirement.
4.One year quality warranty.
5.Training: operation manual and DVD operation video, overseas installation is also available.
6.Spare parts are available in our factory at cost price for former customers.
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