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Chengdu Drillrocker Inc.
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Concentric Overburden Driling System(Low Air Pressure)
| Price: | 100.0~1000.0 USD |
| Payment Terms: | T/T,L/C,D/A,D/P |
| Place of Origin: | Sichuan, China (Mainland) |
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Product Detail
Concentric Overburden Driling System(Low Air Pressure)
Concentric Overburden Driling System(Low Air Pressure)
| Type | Hole Diameter (mm) | NO. Air Hole | Gauge Buttons | Front Buttons | Casing Size ( Wall Thickness * Outerdiameter) | Size (Diameter*L) | Weight (KG) | Hole deep(m) (f=4~6) | Match DTH Hammer |
| DR108A | Φ116 | 3 | Φ14*6 | Φ12*5 | Φ108*(4.5~7) | Φ93X390 | 12 | 200~600 | DR90 |
| DR127A | Φ136 | 3 | Φ14*6 | Φ12*5 | Φ127*(4.5~7.5) | Φ110X405 | 17 | 200~800 | DR110 |
| DR146A | Φ156 | 3 | Φ14*6 | Φ14*5 | Φ146*(4.5~7.5) | Φ129X405 | 24 | 300~1000 | DR110 |
| DR168A | Φ182 | 3 | Φ14*6 | Φ14*6 | Φ168*(4.5~10) | Φ146X405 | 29 | 300~1000 | DR350 |
| DR183A | Φ196 | 3 | Φ14*8 | Φ14*8 | Φ183*(4.5~10.5) | Φ129X405 | 36 | 300~1000 | DR350 |
THREE reamer wings advantages:
1. multi-orientation simultaneously crush, so as to bear stress evenly and subsequently impact resistance.
2. dislaging easily
3. Drilling rod and casing could accelerate following up.
4. Operation, aseemble and unassembled the equipment is easy.
5. Multi-axis suspension is adopted, to avoid reamer from falling of.
Working Principles:
A. When drilling, the reamer swings out and drills a hole larger than the externa diameter of the casing tube.
B. When the required depth has been reached, the drill is reversed and the reamer swings in to its minimum diameter, allowing the bit to be lifted up through the casing, which is left in the hole.
C. Drilling can continue with an ordinary DTH drill bit.
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Company Info
Chengdu Drillrocker Inc. [China (Mainland)]
Business Type:Manufacturer, Trading Company
City: Chengdu
Province/State: Sichuan
Country/Region: China (Mainland)
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