Long Spiral Drilling Pipe Foundation Drilling Tools
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...progressively withdrawn, then inserting steel cage; while the latter continuously feeding in air to reduce rotation resistance when drilling. Service: Jiayou Xincheng VIP service relieves your worries: Consultation service 24 hours a day, no matter when...
Beijing jiayou xincheng industry and trade co. LTD
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R780 Special 1500mm Long Auger Drill Pipe 76mm Outer Diameter
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... now it is mainly used to drill various directional holes and special engineering holes (such as mine freezing holes). The maximum drilling depth is 9023m. When using a screw drill for core drilling, a core pipe should be added between the drive shaft and...
Langfang Baiwei Drill Co., Ltd.
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Spiral Drilling Pipe Coal Mine Twist Drill Pipe High Efficiency Auger Drill Rod
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...Drill pipes are widely used in mining,geological exploring and all kinds of drilling(water,oil,gas,etc) projects.As a leading drill pipe manufacture,we make all kinds of standards and non-standard drill pipes for our customers. Our drill pipes including steel drill pipe,mining drill pipe,water well drill pipe,oil well drill pipe,API drill pipe,DTH drill rod,wireline drill rod,etc. Spiral drill pipe is also called twist drill...
Quzhou Sanrock Heavy Industry Machinery Co., Ltd.
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Square Or Hex Connection Spiral Drill Pipe For Geological Drilling
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...Spiral Drill Rod with Square or Hex Connection For Geological Drilling Craft: prestressed wire winding and welding on the basis of merits from German craft. Material: high pressure seamless alloy pipe (rod body) high wear-resistant T-shape strip steel (spiral......
KSQ Technologies (Beijing) Co. Ltd
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Hollow Stem Auger Drilling Rods Drill Pipe Geological Drilling Tools
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... geological auger shaft is made of high quality geological special alloy steel pipe, and the drill pipe joint is made of high quality alloy structural steel. Features: 1. The drill pipe has the characteristics of high bending strength and firm welding;...
ROSCHEN GROUP
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Water Well Drilling Pipes Diameter 89mm With 3 1/2" API Standard Reg DTH Drill Pipe
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...Drilling Pipes Diameter 89mm With 3 1/2" API Standard Reg DTH Drill Pipe Describtion Water Well drill rods widely used in geological exploration, coal mining, water conservancy & hydropower, highway, railway, bridge, building construction etc. The type have exploring water well rods, exploring water spiral drill rods, outburst-prevention drill rods, DTH drill rods, triangle drill rods, anchor-shank drill rods, extension rods, EU drill...
KSQ Technologies (Beijing) Co. Ltd
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Spiral Drill Rod / Auger Drill Pipe For Water Drilling And Gas Coal Mine Exploring
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Spiral Drill Rod/Auger Drill Pipe For Water Drilling And Gas Coal Mine Exploring Product description The quick-connect spiral drill rod is connected end to end with a square or hexagonal shape, and uses a spring pin to automatically lock or a semicircular ......
Henan Rancheng Machinery Co., Ltd.
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Durable Spiral Welded Pipe Mill 400KW Spiral Pipe Mill High Productivity
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Durable Spiral Weld Pipe Mill Long Lasting Components High Productivity The spiral welded pipe unit is a standard finalized unit developed and improved by Duolek Heavy Industries on the basis of absorbing the essence of foreign forming process technologies......
Shandong Dorco Heavy Machinery Co., Ltd.
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Heavy Weight Spiral Drill Collars / Drill Pipe Api Oil Drilling Grade S135
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Spiral Drill collar The major function of spiral drill collar: It is to prevent drilling tools from pressure differential block during drilling, the spiral groove allows the mud flow freely around the drill collar to balance pressure preventing pressure ......
Xi'an TianRui Petroleum Machinery Equipment Co., Ltd.
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API 7-1 Drill String Components , HWDP Heavy Weight Drill Pipe
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...collar material according to SY/T 5146-1997,thick-walled pipe called integral heavy weight drill pipe was developed to provided a gradual transition from the heavy drill collars to the relatively light weight drill pipe. This intermediate weight pipe has a...
Dongying Oilman Machinery Equipment Co.,Ltd.
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