Casing systems / Dual-head
Dual-head Casing System
Drill and advance casing together
A casing-system family for drilling through overburden or unstable ground. Share casing outside and inside diameter, wall thickness, required hole diameter and hammer type to confirm a compatible assembly.
- Model / family
- Dual-head
- System type
- Double-drifter casing system
Technical data is listed below. The complete catalog is available when discussing your requirements.
Inquire about this product ↗PRODUCT DATA
Request the complete catalog ↗Technical specifications
Extracted from the supplier catalog · PDF page 25
| System type | Double-drifter casing system |
|---|
Recommended dimensions
| Casing OD (mm) | Reamed diameter (mm) | Crown bit ID (mm) | Thread dimension (mm) | Drill rod diameter (mm) | Outer-thread bit diameter (mm) | Thread type |
|---|---|---|---|---|---|---|
| 118 | 125 | 88 | 104.5 | 76 | 83 | R56 |
| 133 | 140 | 108 | 122 | 76 | 102 | R56 |
| 146 | 152 | 120 | 134 | 89 | 116 | R78 |
| 168 | 172 | 133 | 146.5 | 114 | 128 | R83 |
| 216 | 225 | 178 | 203 | 114 | 165 | R102 |
Catalog data is for selection reference. Confirm current specifications, connection, air supply and ground conditions with the supplier before ordering.
