water exploring coal mine spiral/ auger/ twist drill pipe/ rod
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Quoted price for China Alumina Ceramic, 92% Alumina Ceramic, Taking the core concept of “to be the Responsible”. We are going to redound up on society for high quality merchandise and good service. We are going to initiative to participate in international competition to be a first- class manufacturer of this product in the world.
Spiral Drill Rod
Spiral rod is designed for water and gasexploring and injection forunderground coal mine.Made of high quality steel ,tension-resistancecan be up to 1400mpa after forging and heating treatment. With spiral drydrilling techniques,high drilling speed can be achieved,make coal seamgas discharge faster and safer.
Geological Spiral Drill Rod
The geological spiral drill rod has high torque performance ,which is usedwith single screw blades or double helical blade.lt adopt special geologicalsteel and advanced friction welding method.
Spiral Drill Rod
Spiral rod is designed for water and gasexploring and injection forunderground coal mine.Made of high quality steel ,tension-resistancecan be up to 1400mpa after forging and heating treatment. With spiral drydrilling techniques,high drilling speed can be achieved,make coal seamgas discharge faster and safer.
Geological spiral drill rod has high torque performance, which is used with single screw blades or double helical blade. It Adopt special geological steel and advanced friction welding method.
No, | Diameter | Spiraldiameter | Steel | Torque | Depth | Matching rig | Bit diameter | Jointhardness |
1 | e 34mm | 50-80mm | Dz5o | 200on/m | 100m | zDY-400、540.650、1200 | 65-113mm | HRC28-32 |
2 | c 42mm | 50-10omm | DZ50 | 3000n/m | 100m | 65-146mm | HRC28-32 | |
3 | c 5omm | 73-150mm | DZ50 | 5000n/m | 100m | 94-200mm | HRC28-32 | |
4 | c 60mm | 73-170mm | R780 | 7000n/m | 150m | zDY-1500、1900、400o、6o0o | 94-250mm | HRC28-32 |
5 | c 63.5mm | 73-20mm | R780 | 8000n/m | 200m | 94-250mm | HRC28-32 | |
6 | c 73mm | 89-25omm | R78o | 10000n/m | 200m | 108-30omm | HRC28-32 | |
7 | c 89mm | 100-300mm | R780 | 12000n/m | 300m | 108-350mm | HRC28-32 |