Our CFA has been designed with optimal pitch to allow the spoil to convey efficiently along the sections. The starter sections have been designed with cutting geometry to suit various ground conditions. Concrete can be pumped through the hollow stem while withdrawing the tool. Available with 100mm or 127mm passage with various coupling connections to suit the drilling rigs.
Technical Dimensions
| Starter Ø (mm) | CFA Ø (mm) | Flight Thickness (mm) | Length (m) |
|---|---|---|---|
| 300 | 280 | 40 / 30 / 20 | 1, 2, 3, 4, 5, 6 |
| 450 | 430 | 40 / 30 / 20 | 1, 2, 3, 4, 5, 6 |
| 600 | 580 | 40 / 30 / 20 | 1, 2, 3, 4, 5, 6 |
| 750 | 730 | 40 / 30 / 20 | 1, 2, 3, 4, 5, 6 |
| 900 | 880 | 40 / 30 / 20 | 1, 2, 3, 4, 5, 6 |
| 1050 | 1030 | 40 / 30 / 20 | 1, 2, 3, 4, 5, 6 |
