Renewable Design for Dth Hammer Bit Supplier - Symmetric Casing Systems with Ring Bit – TDS
Renewable Design for Dth Hammer Bit Supplier - 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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No matter new customer or old customer, We believe in long term and trusted relationship for Renewable Design for Dth Hammer Bit Supplier - Symmetric Casing Systems with Ring Bit – TDS , The product will supply to all over the world, such as: Kenya, New Delhi, Indonesia, We set "be a creditable practitioner to achieve the continuous development and innovation" as our motto. We would like to share our experience with friends at home and abroad, as a way to create a bigger cake with our joint efforts. We have several experienced R & D persons and we welcome OEM orders.
The factory has advanced equipment, experienced staffs and good management level, so product quality had assurance, this cooperation is very relaxed and happy!
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