Hot Sale for Concentric Casing System - Symmetric Casing Systems with Ring Bit – TDS
Hot Sale for Concentric Casing System - 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 take pleasure in an exceptionally excellent status between our buyers for our superb merchandise good quality, aggressive price tag and the greatest support for Hot Sale for Concentric Casing System - Symmetric Casing Systems with Ring Bit – TDS , The product will supply to all over the world, such as: New Orleans, Zimbabwe, Senegal, By continuous innovation, we will provide you with more valuable products and services, and also make a contribution for the development of the automobile industry at home and abroad. Both domestic and foreign merchants are strongly welcomed to join us to grow together.

In general, we are satisfied with all aspects, cheap, high-quality, fast delivery and good procuct style, we will have follow-up cooperation!

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