Multi-use system for down the hole hammer
In some overburden drilling applications the casing has to be removed from the ground. This sets higher requirements on the durability of the equipment. Double groove design* in the casing shoe and the best materials available guarantee that Robit® Multi-Use system does not fail even in the most difficult conditions. Robit® Multi-Use system is available for all the common DTH hammers.
| Casing OD (mm) | 323,9 |
| Casing OD (in.) | 12 ¾ |
| Casing Max Wall (mm) | 12,7 |
| Casing Max Wall (in.) | 0.500 |
| Ring bit ID (mm) | 257,0 |
| Ring bit ID (in.) | 10.118 |
| Ring bit OD (mm) | 338,0 |
| Ring bit OD (in.) | 13.307 |
| Pilot bit OD (mm) | 293,0 |
| Pilot bit OD (in.) | 11.535 |
| Hammer | 8" |
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