KD series are specifically designed for tunnel exploration, and their compact structure enables the rig to move, hold and operate in narrow Spaces. Their modular design makes them easy to fit in tight Spaces. Of course, these characteristics also make them very suitable for complex surface operation environment.
| KD45 Drill Depth Guidelines | |||||
| Drill Hole (mm) | Drill Rod (mm) | Material | Hole Depth (m) | ||
| Down | Horizontal | Up | |||
| 75(NQ) | 71 | Steel | 300 | 250 | 150 |
| 59(BQ) | 55.5 | Steel | 400 | 350 | 250 |
| 46(AQ) | 42 | Steel | 500 | 450 | 350 |
| Other model parameters | ||||||
| Model | Drill Hole(mm) | Drill Rod (mm) | Material | Hole Depth (m) | ||
| Down | Horizontal | Up | ||||
| KD55 | 95(HQ) | 89 | Steel | 350 | 300 | 200 |
| 75(NQ) | 71 | Steel | 500 | 400 | 300 | |
| 59(BQ) | 55.5 | Steel | 700 | 550 | 350 | |
| KD75 | 95(HQ) | 89 | Steel | 450 | 400 | 200 |
| 75(NQ) | 71 | Steel | 700 | 500 | 300 | |
| 59(BQ) | 55.5 | Steel | 900 | 650 | 400 | |
For many years, CHINA COAL has remained steadfast in the global mining project sector, dedicated to providing exceptional services for various mining projects. We have become a strong and indispensable partner to many clients, building deep, lasting friendships that go beyond ordinary business relationships.
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