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Product info
Non-Stop system for down the hole hammer
Robit® Non-Stop system is an advanced casing system that start to drill with a casing and then to continues beyond it without tool changes. No need to pull out the pilot bit and the drill string to replace it by a conventional down the hole bit. A single operation disconnects the pilot and the ring from the casing. The drilling can be continued free from the casing tube without losing the drilling diameter.
| Casing OD (mm) | 177,8 |
| Casing OD (in.) | 7 |
| Casing Max Wall (mm) | 10 |
| Casing Max Wall (in.) | 0.394 |
| Ring bit ID (mm) | 142 |
| Ring bit ID (in.) | 5.591 |
| Ring bit OD (mm) | 191 |
| Ring bit OD (in.) | 7.520 |
| Pilot bit OD (mm) | 152 |
| Pilot bit OD (in.) | 5.984 |
| Hammer | 5” |
| Product number | 03-010-177-0055 |
Compatible products
DTH-RoX NS 177,8/10
Casing Extension, Down the Hole Hammer, Non-Stop
DTH-RoX NS 177,8/10
Pilot, Down the Hole Hammer, Non-Stop