This series of anchor-hole drill rigs are specially designed products with high efficiency to drill holes in shaft construction for the purpose of exploration water or grouting etc... The drill rigs are a kind of fast drilling equipment which is rotated by an air motor, pushed by one or two air cylinders and the low or middle air pressure DHD hammer could be used. Because it features of reliable performance, single power supply, light in weight and high efficiency, the drill rigs are ideal equipment for exploration or controlling water, and also for drilling blastholes in small or middle scale of earth and stone engineering project.
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