Top Suppliers Dhd340 Dth Hammer - Blast Hole Drill Pipe – TDS

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Top Suppliers Dhd340 Dth Hammer - Blast Hole Drill Pipe – TDS Detail:

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A drill pipe is a high-strength steel pipe used in drilling. Depending on the drilling method and purpose of drilling, pipes come in different thickness and lengths, with the most common lengths being 3-10 meters. Drill pipes are joined together one by one as the drill progresses deeper into the bedrock. Together, the pipes form a drill string, which can extend several kilometers down into the ground.

Each drill pipe consists of three parts welded together, a central portion and two end pieces. The end piece contains either a male (“pin”) or a female (“box”) thread, which permits interconnection of two drill pipes. The entire drill string is subjected to extremely high loads during drilling, and the thread is always the most critical part in each pipe. If for any reason the male and female thread do not fit exactly into each other, the thread will most probably break and you will lose your entire drill string.

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Specification导航栏

  Size Nominal mass Lb/ft Calculated weight type Wall thickness
in. mm lb/ft kg/m in. mm
2 3/8 60.3 6.65 6.26 9.32 0.28 7.11
2 7/8 73 10.4 9.72 14.48 0.362 9.19
3 1/2 88.9 9.5 8.81 13.12 0.254 6.45
3 1/2 88.9 13.3 12.31 18.34 0.368 9.35
3 1/2 88.9 15.5 14.63 21.79 0.449 11.4
3 1/2 88.9 15.5 14.63 21.79 0.449 11.4
4 101.6 14 12.93 19.26 0.33 8.38
4 1/2 114.3 13.75 12.24 18.23 0.271 6.88
4 1/2 114.3 16.6 14.98 22.31 0.337 8.56
4 1/2 114.3 20 18.69 27.84 0.43 10.92
5 127 16.25 14.87 22.15 0.296 7.52
5 127 19.5 17.93 26.71 0.362 9.19
5 127 19.5 17.93 26.71 0.362 9.19
5 127 25.6 24.03 35.79 0.5 12.7
5 127 25.6 24.03 35.79 0.5 12.7
       5 1/2        139.7                      21.90         19.81        29.51         0.361          9.17
       5 1/2        139.7                            24.70         22.54        33.57         0.415        10.54

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Top Suppliers Dhd340 Dth Hammer - Blast Hole Drill Pipe – TDS detail pictures

Top Suppliers Dhd340 Dth Hammer - Blast Hole Drill Pipe – TDS detail pictures

Top Suppliers Dhd340 Dth Hammer - Blast Hole Drill Pipe – TDS detail pictures


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With dependable high quality approach, great reputation and excellent customer support, the series of products and solutions produced by our firm are exported to lots of countries and regions for Top Suppliers Dhd340 Dth Hammer - Blast Hole Drill Pipe – TDS , The product will supply to all over the world, such as: Paraguay, Ireland, Egypt, We will supply much better products with diversified designs and professional services. At the same time, welcome OEM, ODM orders, invite friends at home and abroad together common development and achieve win-win, integrity innovation, and expand business opportunities! If you have any question or need more information please feel free to contact us. We are looking forward to receiving your enquiries soon.
  • Staff is skilled, well-equipped, process is specification, products meet the requirements and delivery is guaranteed, a best partner!
    5 Stars By Jill from St. Petersburg - 2018.09.08 17:09
    The company has rich resources, advanced machinery, experienced workers and excellent services, hope you keep improving and perfecting your products and service, wish you better!
    5 Stars By Annie from Australia - 2018.11.22 12:28
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