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Quarrying

Tapered drilling tools  are widely used in quarrying industry. They are used with a variety of hand-held rock drills and air leg rock drills. The drill bit and the drill rod are separated. They are easy to replace with taper connection. They can effectively reduce the drilling cost. 
Integral Drill Rods integrate bits, rods, shank into one. Their advantage is that they can effectively reduce the loss of impact energy and improve drilling speed and efficiency.
Plug hole rods are widely used in secondary drilling of dimension stone quarries, This significantly avoid the waste of stone resources.
Down the hole hammer and bits(0.4-0.7MPa) Low pressure DTH drilling tools are mainly used in the quarrying industry for rock excavation. They have the advantages of fast hole forming, good hole quality, easy maintenance and less investment, etc.