DHD350 5 Inch Down The Hole Hammer with API 2 3/8 REG Connection Corrosion Resistant Carbon Steel Construction
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DHD350 5 Inch Down The Hole Hammer Application: Be used for drilling in mining, quarrying, exploration, water-well, geothermal, and construction / geotechnical projects Description: “DTH” is the short for “Down The Hole” and sometimes it is also called “......
HEBEI MINETECH MACHINERY TECHNOLOGY CO., LTD
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4.5 Inch Dr115 RC Drill Hammer Customize DTH Down The Hole Hammer Anticorrosive
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4.5" R.C. DTH Hammers RE543 Advantages: R.C.Drilling, referred to as " Centre Sample Recovery" or " Dual Wall Drilling",employs a Dual Wall Pipe where the drilling medium, normally high pressure air,is passed between the outer and inner tubes down to the ......
Changsha Chaojingang Machinery Manufacturing Co., Ltd.
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