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| Place of Origin | Chongqing, China |
| Brand Name | Gold |
| Model Number | NQ |
Regular Double Tube Core Barrel For Core Drilling
The material used to make a core barrel can vary depending on the specific application and the conditions in which it will be used. Common materials used to make core barrels include:
Steel: Steel is a common material used to make core barrels because it is strong, durable, and can withstand high temperatures and pressures.
Tungsten carbide: Tungsten carbide is a hard, wear-resistant material that is often used to make the cutting bits on core barrels.
Diamond: Diamond is the hardest material on Earth and is often used to make the cutting bits on core barrels that will be used in very hard or abrasive formations.
| No. | Core Barrel Std. | Item | Bit Std. | Reamer Std. | Bit OD(mm) | Bit ID(mm) |
| MLC Core Barrel | ||||||
| 1 | NMLC | 1.5M Core Barrel | NMLC | NMLC | 75.3 | 52 |
| 2 | HMLC | 1.5M Core Barrel | HMLC | HMLC | 98.8 | 63.5 |
| WG WM Core Barrel | ||||||
| 1 | NWG | 1.5M Core Barrel | NWG | NWG | 75.3 | 54.7 |
| 2 | NWM | 1.5M Core Barrel | NWM | NWM | 75.3 | 54.7 |
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