YQZ trailer-type drilling rig is suitable for: *Drilling of drinking water wells in urban and rural areas *Agricultural irrigation water drilling *Industrial and other water well drilling holes *Engineering construction such as foundation pile drilling for high-rise. .
We have a series of drilling rig accessories for sale to match the use of the drilling rig. For example, drilling pipe, drill bit. mud. .
YG Machinery specializes in the production and sales of various drilling rigs. Water Well Drilling Machines, Down-the-hole Drilling Rigs, Anchoring Drilling Rigs, Rotary Drilling. .
A down-the-hole drill, usually called DTH by most professionals, is basically a screwed on the bottom of a . The fast hammer action breaks hard rock into small cuttings and dust that are evacuated by a fluid (air, water or ). The DTH hammer is one of the fastest ways to drill hard rock. The system is thought to have been invented independently by Stenuic.
[pdf] 