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Underground mining

Drifting&tunneling are widely used in tunnel construction with hydraulic drill rigs because they are efficient, fast, safe and environmentally friendly.
Tapered drilling tools are widely used in drifting and tunneling with Air-leg rock drills because they are easy to move, operate and maintain with little investment and cost.
Long hole drilling tools are widely used with hydraulic drill rigs because they are efficient, fast, safe and environmentally friendly. They are used for upward fan drilling in underground mining. The length of drill rod is restricted by the length of the tunnel radius. The length of the drill rod is short. The deepest drilling depth is up to 35 meters with several extension rods.
Self drilling anchor bolts is a kind of rock bolt with the function of both drilling and anchoring. The rod can be extended and very convenient for construction work within a restricted area. Because they can't be replaced by other anchoring materials, they are extensively used in the anchoring of underground mining