Changsha Golden Drilling Machinery Co.,Ltd
Real Facotry, Prime Service and Diamond Quality
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Rotary Rig Core Barrel Customized Foundation Cutting Ring With Rock Drilling Bits
Technical Parameter of JZTG Core Barrel with Roller Bits
| Diameter D(mm) | Bucket D1 (mm) | Height H(mm) | Bucket Height H1(mm) | Upper Thickness T1(mm) | Lower Thickness T2 (mm) | Roller Bits number |
| 600 | 500 | 1700 | 1200 | 16 | 40 | 4 |
| 800 | 700 | 1700 | 1200 | 16 | 40 | 6 |
| 1000 | 900 | 1700 | 1200 | 16 | 40 | 8 |
| 1200 | 1100 | 1700 | 1200 | 16 | 40 | 10 |
| 1500 | 1400 | 1700 | 1200 | 16 | 40 | 12 |
| 1800 | 1700 | 1700 | 1000 | 20 | 40 | 14 |
| 2000 | 1900 | 1700 | 800 | 20 | 40 | 16 |
| 2200 | 2100 | 1700 | 800 | 20 | 40 | 18 |
| 2500 | 2400 | 1700 | 700 | 20 | 40 | 20 |
- Cutting ring with rock drilling bits and releases the internal stress of rock,while cutting inside;
- Crossing cutter make it easy to carry soil, when drilling in the full fracture rock layer ;
- Main Applications: special for super hard rock up to 100 MPa such as Limestone, Granite etc.
