Jinzhou City Shitan Machinery Equipment CO. LTD.
Jinzhou City Shitan Machinery Equipment CO. LTD Drilling Rig / Drill Rod / Drill Bit / Track Transporter / Drilling Mud Pump
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Application
DTH drill pipes play a significant role in all DTH drilling, regardless type of rock, hole depth or drill rig.The key features of a high quality DTH tube are durability, accuracy and manageability.
| NO. | Drill Rod Diameter | Length | Thickness | Thread | Trigger Slot | |
| inch | mm | mm | mm | | mm | |
| 1 | 3 | 76 | 1000-9000 | 5.00- 8.00 | API 2 3/8" Reg | 57/64.5 |
| 2 | 3 1/2 | 89 | 1000-12000 | 6.00- 8.00 | API 2 3/8" Reg | 70/64 |
| 3 | 4 | 102 | 1000-12000 | 8.00- 10.00 | API 2 7/8" Reg | 76/89 |
| 4 | 4 1/2 | 114 | 1500-12000 | 6.00-20.00 | API 3 1/2" Reg | 89/95 |
| 5 | 5 | 127 | 1500-12000 | 10.00-20.00 | API 3 1/2" Reg | 89 |
| 6 | 5 1/2 | 140 | 1500-12000 | 10.00-25.4 | API 2 3/8" Reg or 4"FH | 114 |
| 7 | 6 | 152 | 3000-12000 | 12.00-25.4 | API 2 3/8" Reg or 4"IF | 127 |
Main features
1. Pipe body : cold draw seamless pipe . so the pipe have the accurate size , good centralizer.
2. Thread connector :Heat and Nitrogen treatment , so the pipe is more durable and easier to load and unload .
3. Friction welding .
