Changsha Tianhe Drilling Tools and Machinery Co.,Ltd.
| Payment Terms | L/C, T/T, Western Union, MoneyGram |
| Supply Ability | 50000 Piece/Pieces per Month dth drill pipe |
| Delivery Time | Shipped in 7 days after payment |
| Packaging Details | dth drill pipe are Packed with steel case |
| Size | 178mm(7 inch) |
| Length | 1000mm - 9000mm |
| Material | Alloy steel |
| Usage | Water well drilling, foundation drilling |
| Wall thickness | 9.5mm |
| Welding method | Friction welding |
| Brand Name | Teamwhole |
| Model Number | DTH drill pipe |
| Certification | ISO9001 |
| Place of Origin | Hunan, China (Mainland) |
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Product Specification
| Payment Terms | L/C, T/T, Western Union, MoneyGram | Supply Ability | 50000 Piece/Pieces per Month dth drill pipe |
| Delivery Time | Shipped in 7 days after payment | Packaging Details | dth drill pipe are Packed with steel case |
| Size | 178mm(7 inch) | Length | 1000mm - 9000mm |
| Material | Alloy steel | Usage | Water well drilling, foundation drilling |
| Wall thickness | 9.5mm | Welding method | Friction welding |
| Brand Name | Teamwhole | Model Number | DTH drill pipe |
| Certification | ISO9001 | Place of Origin | Hunan, China (Mainland) |
| High Light | well drilling rods ，water well drill rods | ||
Product features:
According to different application, different diameters of drill tubes are needed, basically, smaller DTH hammers need smaller DTH drill tubes, vice avers. Usually we are offering 50mm, 60mm, 76mm, 89mm, etc.
Specifications:
| 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 | 0.280 | 7.11 |
| 2 7/8 | 73.0 | 10.4 | 9.72 | 14.48 | 0.362 | 9.19 |
| 3 1/2 | 88.9 | 9.50 | 8.81 | 13.12 | 0.254 | 6.45 |
| 3 1/2 | 88.9 | 13.30 | 12.31 | 18.34 | 0.368 | 9.35 |
| 3 1/2 | 88.9 | 15.50 | 14.63 | 21.79 | 0.449 | 11.40 |
| 3 1/2 | 88.9 | 15.50 | 14.63 | 21.79 | 0.449 | 11.40 |
| 4 | 101.6 | 14.00 | 12.93 | 19.26 | 0.330 | 8.38 |
| 4 1/2 | 114.3 | 13.75 | 12.24 | 18.23 | 0.271 | 6.88 |
| 4 1/2 | 114.3 | 16.60 | 14.98 | 22.31 | 0.337 | 8.56 |
| 4 1/2 | 114.3 | 20.00 | 18.69 | 27.84 | 0.430 | 10.92 |
| 5 | 127.0 | 16.25 | 14.87 | 22.15 | 0.296 | 7.52 |
| 5 | 127.0 | 19.50 | 17.93 | 26.71 | 0.362 | 9.19 |
| 5 | 127.0 | 19.50 | 17.93 | 26.71 | 0.362 | 9.19 |
| 5 | 127.0 | 25.60 | 24.03 | 35.79 | 0.500 | 12.70 |
| 5 | 127.0 | 25.60 | 24.03 | 35.79 | 0.500 | 12.70 |
| 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 |
Company Details
Business Type:
Manufacturer
Year Established:
2002
Total Annual:
10Million-50Million
Employee Number:
201~300
Ecer Certification：
Active Member
Changsha Tianhe Drilling Tools and Machinery Co., Ltd., is a professional geotechnical drilling tools manufacturer since 2002. We’re located in Jinzhou New District,Ningxiang County, Changsha,Hunan province.Our main products include DTH (down-the-hole) hammers and bits with capacity of drillin... Changsha Tianhe Drilling Tools and Machinery Co., Ltd., is a professional geotechnical drilling tools manufacturer since 2002. We’re located in Jinzhou New District,Ningxiang County, Changsha,Hunan province.Our main products include DTH (down-the-hole) hammers and bits with capacity of drillin...
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