QL Series DTH Bit

  • QL Series DTH Button Bit

    ​DTH Bits are Mainly used for Quarrying, Ore Mining, Coal Mining, soft, medium hard, and hard rock, blast hole drilling and water well drilling project, Marble quarry or well drilling and other construction projects.
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  • QL Shank DTH Drill Bit

    ​QL Shank DTH Bit is mainly widely used for produce large-diameter holes in rocks for water-well drilling, tunnels, mineral exploration, geothermal drilling, subway engineering drilling.
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As one of the leading QL series DTH bit manufacturers and suppliers in China, we warmly welcome you to wholesale quality QL series DTH bit at competitive price from our factory.