API 5inch OD. High Pressure Welding Drill Pipe / Oil Well Casing Pipe
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Hard Bending High Strength Deep Well Drill Pipe Product Description This DTH drill pipe, the shortened form of down the hole drill pipe, is a kind of outer flat drill rod. It is mainly used in rotary percussive drilling that contains gases and liquids. Its......
Langfang Baiwei Drill Co., Ltd.
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76mm 89mm 102mm DTH Hammer Drill Rod API Drilling Rod For Drilling Rig Use
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...-inspection: Provided Machinery Test Report: Provided Marketing Type: Hot Product 2019 Type: Drill Pipe Machine Type: Drilling Tool Material: Carbon Steel Processing Type: Forging Use: Ore Mining Diameter: 3-5.5inch Application: water well Length: 1-6...
TOBO STEEL GROUP CHINA
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Reverse Circulation RE545 DTH Hammer Bit Power Saving For Dual Wall Drilling
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5inch Reverse Circulation Hammers CRE545 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......
Changsha Chaojingang Machinery Manufacturing Co., Ltd.
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Dth Water Well Drill Rod 3-1/2" Api Standard Reg 114mm Od 4.5 Inch
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...5inch DTH Water Well Drill Rod Description Water Well drill rods widely used in geological exploration, coal mining, water conservancy & hydropower, highway, railway, bridge, building construction etc. Technical Parameter Size(inch) size in mm thread Wall Thickness(mm) 4 1/2 114 API 3 1/2reg 8.56 Applications Water Well Drill Rod can be used to projects of water well drilling, geothermal well drilling, pipe...
Glorytek Industry (Beijing) Co., Ltd.
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High Air Pressure Reverse Circulation DTH Hammer with 4.5inch Hammer Size and 113mm-130mm Hole Range
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Product Description Reverse circulation drilling is similar to air core drilling as the samples that are drilled up from the earth are not simply placed onto the surface surrounding the machine but the samples are instead shot up into the hollow pipe of ......
Changsha Sollroc Engineering Equipments Co., Ltd
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