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| Place of Origin | CHINA |
| Brand Name | ROSCHEN |
| Certification | ISO |
| Model Number | 90 ~ 500 MM |
Custom Down The Hole Drilling Tools For Geothermal Water Well Drilling
Down The Hole Drilling Tools Application
Base on comprehensive product range :
1. Construction
(Overburden drilling tools. Top hammer drilling tools , Self-drilling anchor system ) .
2. Mining
(Top hammer drilling tools , Down The Hole(DTH) drilling tools. Diamond drill tools )
3. Piling
(Casing Tube, Down The Hole (DTH) drilling tools . Eccentric casing system.)
4. Water well
(Concentric Casing Systems, ,Eccentric casing System. Down The Hole drill bit and hammer ) .
5. Quarry and Aggregate
(Down The Hole (DTH) drilling bit and hammer .Long hole drilling tools .H-thread drilling tools .Shank adaptor .Small-hole drilling tools )
Down The Hole Drilling Tools Features:
Efficiency and productivity
Casing advancement systems meet all challenges and keeps both efficiency and productivity high even in the most difficult ground conditions.
Highest reliability
Compared to other methods, casing advancement is in most cases the best and most productive alternative, with highest reliability in hole straightness and reliable assurances that targeted depth or bedrock is reached.
Better quality
ROSCHEN casing advancement systems enable contractors to perform their work faster with higher quality and reduced risk. The system adds value whether the mission is to install foundation, support elements or simply case the hole in collapsing formation.
Down The Hole Drilling Tools Parameters
| Concentric Casing System With Blocks | |||||||
| Model | Outer Dia. of Casing Tube (mm) | Inner Dia. of Casing Tube (mm) | Wall thickness of casing (mm) | Reamed Dia. (mm) | Min. Inner Dia.of Casing Shoe (mm) | Hammer Type | Drill Pipes (mm) |
| 140 | 168 | 148 | 10 | 180 | 138 |
COP44/DHD340/MACH44/ MISSION40/ SD4/XL4/QL40 |
76/89 |
| 146 | 178 | 158 | 10 | 192 | 148 |
COP54/DHD350/MACH50/ MISSION50/ SD5/QL50 |
76/89 |
| 165 | 194 | 173 | 10.5 | 205 | 161.5 |
COP62/COP64/DHD360/ MISSION60/SD6/XL6/QL60/TD150 |
89/114 |
| 190 | 219 | 197 | 11 | 238 | 187 | 89/114 | |
| 240 | 273 | 253 | 10 | 305 | 241 | COP84/DHD380/SD8/QL80 | 114/127 |
| 280 | 325 | 305 | 10 | 350 | 282 |
DHD112/QL120/SD12/ NUMA120/TH12 |
114/127 |
| 365 | 406 | 382 | 12 | 425 | 365 | 127/168 | |
| 410 | 457 | 433 | 12 | 480 | 409 | 168 | |
| 460 | 508 | 483 | 12.5 | 530 | 459 | 168 | |
| 500 | 560 | 535 | 12.5 | 620 | 501 | 168 | |
| Concentric Casing System With Wings | |||||||
| Model | Outer Dia. of Casing Tube | Inner Dia. of Casing Tube(mm) | Wall thickness of casing | Reamed Dia. | Min. Inner Dia.of Casing Shoe | Hammer Type | Drill Pipes |
| (mm) | (mm) | (mm) | (mm) | (mm) | |||
| ODEX for DTH Drilling | |||||||
| 90 | 114 | 101 | 6.5 | 125 | 91 |
COP32/COP34/DHD3.5/ BR3/MACH303 |
76 |
| 98 | 127 | 108 | 9.5 | 136 | 99 | 76 | |
| 110 | 133 | 124 | 9.5 | 145 | 112 |
COP44/DHD340/MACH44/ MISSION40/SD4/XL4/QL40 |
76/89 |
| 115 | 146 | 125 | 10.5 | 154 | 117 | 76 | |
| 140 | 168 | 148 | 10 | 180 | 138 | 76/89 | |
| 146 | 178 | 158 | 10 | 192 | 148 |
COP54/DHD350/MACH50/ MISSION50/SD5/QL50 |
76/89 |
| 165 | 193 | 173 | 10 | 206 | 164 |
COP62/COP64/DHD360/ MISSION60/SD6/XL6/QL60/TD150 |
114 |
| 190 | 219 | 199 | 10 | 234 | 185 | 114 | |
All our products are designed to help the user minimize down-time and maximize productivity. ROSCHEN products used in many industries: Waterwell, Environmental, Oil Exploration, Mining, Geothermal and Construction.
For more information, please contact:
ROSCHEN GROUP LIMITED
ROSCHEN HOLDINGS LIMITED
Skype: ROSCHEN.TOOL , ROSCHEN_GROUP
E-mail: roschen@roschen.com
WeChat: +86-137 6419 5009 ; +86-135 8585 5390
WhatsApp: +86-137 6419 5009 ; +86-135 8585 5390
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