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168mm Permanent Concentric Casing System By DTH Hammer

168mm Permanent Concentric Casing System By DTH Hammer

168mm permanent concentric casing system by DTH Hammer Rock Drill Bits Advantages Full face head design for faster penetration and straighter hole Can drill in vertical, horizontal or any direction, Varied ring bit diameters to suit different casing requirement. It is suitable for drilling water...
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168mm permanent concentric casing system by DTH Hammer


Rock Drill Bits Advantages Full face head design for faster penetration and straighter hole Can drill in vertical, horizontal or any direction, Varied ring bit diameters to suit different casing requirement.


It is suitable for drilling water wells, geothermal wells, short micro piles ,medium mini-type grouting hole of building , dam and harbor project .


ming dth drill bit.jpg



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