About Down-the-hole drilling rig positioning accessories video
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6 FAQs about [Down-the-hole drilling rig positioning accessories video]
What is a down the hole drilling rig?
Down the hole drilling rig is an impact rotary drilling rig. Its internal structure is different from that of a general rock drill.
How does a down-the-hole drill work?
In down-the-hole drilling a drill rod is fitted with a hammer at its lower end. The hammer, which is mounted on the drill bit, is activated through the addition of compressed air and driven into the ground – simultaneously rotating and impacting. A flushing current collects the loosened drill cuttings and conveys them upwards.
What is a down-the-hole drilling method?
The video shows the down-the-hole drilling method for very hard soil or rock. A rotary drilling rig, type LB 20, working with down-the-hole hammer inside a casing. A flushing current conveys the loosened drill cuttings upwards and exits at the upper end of the casing.
What are down-the-hole drilling pipes?
Down-the-hole drilling pipes are engineered with cold-drawn seamless tubing material N80 to ensure straightness, thickness and high strength for a smoother drilling process and longer service life. This line of drill pipes provides increased compatibility between rigs and tools.
How does a rotary drilling rig work?
A rotary drilling rig, type LB 20, working with down-the-hole hammer inside a casing. A flushing current conveys the loosened drill cuttings upwards and exits at the upper end of the casing. If you have any further questions, please contact our local sales or service team.
What is down-the-hole (DTH) drilling?
Down-the-hole (DTH) drilling tools enhance productivity and sustainability while lowering operation costs and emissions. Sandvik’s collaborative approach with customers helps us maximize drilling outcomes and elevate the drilling experience. Discover more about our latest innovation


