Big Discount Reverse Circulation Drilling Hammers And Bits - Symmetric Casing Systems with Ring Bit – TDS
Big Discount Reverse Circulation Drilling Hammers And Bits - Symmetric Casing Systems with Ring Bit – TDS Detail:
Adavantage
1. the concentric design is more reliable and less torque than the eccentric.
2. large impact power to make high speed drilling.
3. straighter hole.
4. easy to follow the casing.
5. reverse rotation and withdraw the pilot bit to use it for next holes.
A |
B | C | D | E |
F |
Outer Dia. of Casing Tube | Inner Dia. of Casing Tube | Reamed Dia. | Min. Inner Dia. of Casing Shoe | Hammer Type | Drill Pipes |
mm | mm | mm | mm | mm | |
114 | 101-103 | 125 | 93 | TDS79 | 60 |
140 | 124-127 | 152 | 113 | TDS98 | 76 |
146 | 127-132 | 154 | 115 | TDS98 | 76 |
168 | 149-155 | 184 | 138 | TDS122 | 76,89 |
178 | 159-165 | 194 | 148 | TDS122 | 76,89 |
193 | 173-180 | 206 | 164 | TDS139 | 114 |
219 | 199-206 | 234 | 185 | TDS139,TDS180 | 114 |
244 | 224-231 | 273 | 219 | TDS180 |
114 |
Order Guide: A+B+C+D+G
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We'll make every effort and hard work to be superb and excellent, and speed up our steps for standing inside the rank of intercontinental top-grade and high-tech enterprises for Big Discount Reverse Circulation Drilling Hammers And Bits - Symmetric Casing Systems with Ring Bit – TDS , The product will supply to all over the world, such as: Pakistan, Lahore, Colombia, Our aim is to help customers realize their goals. We are making great efforts to achieve this win-win situation and sincerely welcome you to join us. In a word, when you choose us, you choose a perfect life. Welcome to visit our factory and welcome your order! For further inquiries, please do not hesitate to contact us.

We have been appreciated the Chinese manufacturing, this time also did not let us disappoint,good job!

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