HEBEI MINETECH MACHINERY TECHNOLOGY CO., LTD
Your one stop solution for rock drilling tools.
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DTH drill pipes are widely used in mining,geothermal and all kinds of DTH rock drilling,with high quality low carbon steel to ensure good resistance to strengthen and tensile,friction welded to ensure the adapter and pipe connect tightly as a whole set the cyclic extrusion-compression ensure reliable pipe.
The high pressure air is delivered to DTH hammer by DTH drill pipe, simultaneously it transfer the rotation and press force to the DTH hammer.
Diameter: 76mm, 89mm, 102mm, 114mm, 127mm, 140mm
Length: 1000mm, 1500mm, 2000mm, 3000mm, 5000mm, 6000mm;
Thread: 2 3/8” API REG, 2 7/8” API REG, 3 1/2” API REG, 4 1/2” API REG, 2 3/8 API IF, 3 1/2 API IF
| Diameter | Length | Connection Thread | Wall Thickness | |||
| mm | inch | mm | Foot | mm | inch | |
| 76 | 3 | 1,000~4,500 | 3 3/8 ~ 14 3/4 | 2 3/8” API REG | 5~8 | 13/64~5/16 |
| 89 | 3.5 | 1,000~7,620 | 3 3/8 ~ 25 | 2 3/8” API REG/IF | 5~12 | 13/64~15/32 |
| 102 | 4 | 1,000~9140 | 3 3/8 ~ 30 | 2 3/8” API REG, 2 7/8” API IF, 3 1/2” API REG | 6.5~20 | 1/4~25/32 |
| 114 | 4.5 | 1,000~10,670 | 3 3/8 ~ 35 | 2 7/8” API IF, 3 1/2” API REG | 6.5~20 | 1/4~25/32 |
| 127 | 5 | 1,000~10,670 | 3 3/8 ~ 35 | 3 1/2” API REG | 8~20 | 5/16~25/32 |
| 140 | 5.5 | 1,000~10,670 | 3 3/8 ~ 35 | 3 1/2” API REG | 10~22 | 25/64~7/8 |
Hebei Minetech Machinery Technology Co, Ltd. is an joint venture enterprise with Europe Partner, which is located in Shijiazhuang City, Hebei Province,China. Our company is specialized in manufacturing and exporting of mining machinery, such as hydraulic and pneumatic drill machine, roof bolter and drilling consumption, like drill bit and drill rod with own factory in Shijiazhuang City.
With our rich expenience for over a decade and with professional engineers andsales team, we focus on providing complete solutions for mining machinery.
Target markets is gradually shifted from domestic market to international market, products are exported to more than thirty countries and regions, including Southeast Asia, the United States, Germany, Britain, South Africa, Poland, Russia, Middle Asia, South America and so on, and established a good brand and reputation international market.
