ALL DTH drill tubes are friction welded, and usually the threads are standard API connections, like 2 3/8" API REG thread, 3 1/2" API REG thread or API IF thread, etc. According to customers request, from 1000mm to 5000mm length of tubes, O.D we can offer 50mm, 60mm, 76mm, 89mm,102mm
Products feathers: 1:Nitriding on the thread of rod joint to improve the hardness of thread surface and increase the wear resistance of thread. 2:Using R780 as the material of rod body to improve the wear resistance and the strength, 42 Cr Mo materials for thread connect. 3:Adopts the upsetting treatment to reduce the weight of rod while keep the strength of the welds(the thickness of dth pipe is 6.5mm while welds area is 8.5mm).|
Code |
TDS50 |
TDS60 |
TDS73 |
TDS89 |
|
Outer Diameter (mm) |
50 |
60 |
73 |
89 |
|
Inner Dameter (mm) |
48 |
58 |
57 |
69 |
|
Length |
1.5m/3m/4.5m |
1.5m/3m/4.5m |
1.5m/3m/4.5m/6m |
1.5/3m/4.5m/6m |
|
Unit Weight (KG) |
6.5kg/m |
8.6kg/m |
12.8kg/m |
19.4kg/m |
