Home > Products > DTH hammer & DTH hammer bit > Eccentric overburden casing system with three pieces rock drilling tools
Eccentric overburden casing system with three pieces rock drilling tools
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Product Details
| Place of Origin | Henan, China | Brand Name | ZM | |
| Model Number | Made-to-order | Type | Drill Bit | |
| Machine Type | Drilling Tool | Certification | Other, ISO9001:2008 | |
| Material | Carbide | Processing Type | Forging | |
| Use | Well Drilling |
Product Description
Specifications
rock drilling tool1.drill in overburden unstable rock
2.one step to drill and follow casing
3.flexible to open or close
Description of dth hammer and bit :
Application Range
It is suitable for drilling water wells,geothermal wells, short mircopiles medium mini-type grouting hole of building, dam and harbour project.
Design Principles
Make the casing follow easy and the equipment and operation simple
Outstanding Advantages
Simple structure,simple operation,reliable quality,retrievable drilling tools,long service life.
Specifications
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 |
108 | 93-99 | 118 | 86 | TH79 | 76 |
114 | 101-103 | 127 | 91 | R56,T38,TH79 | 76 |
127 | 114-116 | 136 | 101 | TH79 | 76 |
140 | 124-127 | 152 | 117 | TH98 | 76 |
146 | 127-132 | 154 | 117 | TH98 | 76 |
168 | 149-155 | 184 | 140 | TH122 | 76,89 |
178 | 159-165 | 194 | 150 | TH122 | 76,89 |
193 | 173-180 | 206 | 166 | TH139 | 89,114 |
219 | 199-206 | 234 | 193 | TH139,TH180 | 89,114 |
245 | 224-231 | 260 | 210 | TH180,TH220 | 114 |
273 | 251-257 | 300 | 241 | TH180 | 114,127 |
Contact Us
- Henan Zhongmei Drill Tool Co., Ltd.
- Contact nameAndy Wang Chat Now
- Phone86-371-13255921607
- AddressJindai Industrial Zone, Guancheng District, Kaifeng, Henan
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