5 Inch HD55 Shank DTH Hammer For Hard Rock Drilling
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...Hole Drilling 5 Inch HD55 DTH Hammer For Hard Rock Product description A down-the-hole drill, usually called DTH by most professionals, is basically a mini jackhammer screwed on the bottom of a drill string. The fast hammer action breaks hard rock into small flakes and dust and is blown clear by the air exhaust from the DTH hammer.The DTH hammer......
Changsha Sollroc Engineering Equipments Co., Ltd
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165mm 5 Inch HD55 Shank High Air Pressure DTH Hammer Drill Bit For Soft Rock Drilling
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...Inch HD55 Shank High Air Pressure DTH Hammer Drill Bit For Soft Rock Drilling Product category: DTH drill tools Matched hammer: Hammer COP54, Hammer HD55 Diameter: 165 mm KINGDRILLING high air pressure DTH button bit description: Down-the-hole (DTH) drill bits are vital tools used in the mineral, construction, and oil and gas industries for drilling holes......
Wuhan Kingdrilling Diamond Co.,Ltd
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