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Our Concentric Casing System with Blocks is specifically designed for drilling in soft and unstable formations. It is an ideal solution for geothermal wells, water wells, small-to-medium-sized grouting holes, and micro-piling projects.
Designed to excel in formations with high mud content and abundant floating rocks.
Manufactured using 25Si2MnCrNi2MoV alloy steel. Blocks are surface-treated to reach HRC42-45 hardness.
Simplified operation reduces tool replacement time and boosts overall work productivity.
| Model | Casing OD (mm) | Casing ID (mm) | Reamer (mm) | Blocks Qty | Shoe ID (mm) | Hammer Size | Drill Rod (mm) |
|---|---|---|---|---|---|---|---|
| BOD168 | 168 | 156 | 185 | 2 | 142 | 5" Hammer | 76/89 |
| BOD178 | 178 | 158 | 195 | 2 | 148 | 5" Hammer | 76/89 |
| BOD194 | 194 | 180 | 209 | 2 | 167 | 6" Hammer | 89/114 |
| BOD219 | 219 | 205 | 237 | 3 | 192 | 6" Hammer | 89/114 |
| BOD273 | 273 | 259 | 308 | 3 | 242 | 8" Hammer | 114 |
| BOD325 | 325 | 305 | 358 | 3 | 282 | 10" Hammer | 114 |
| BOD406 | 406 | 382 | 426 | 4 | 360 | 12" Hammer | 127 |
Standard Warranty: 12 months or 2,000 operating hours (whichever comes first).
Extended Warranty: Optional coverage available up to 36 months.
Global Support: 24/7 technical assistance and consistent spare parts supply.
Training: Comprehensive on-site or remote operation and maintenance training.
