Rotary percussion bits
The rotary percussion bits distributed by PROMAFORSOVEMA cover a range from 45 to 152 mm diameter, in R32 and R38 threads. Suited to different ground hardness levels, they are available in cross, round button and ballistic button shapes. Permanently in stock at our branches for rapid availability.
Rotary percussion bit range
| Ø (mm) | R32 thread | R38 thread | Shape |
|---|---|---|---|
| 51 | X | — | CROSS |
| 57 | X | X | CROSS |
| 64 | X | X | CROSS |
| 66 | X | X | CROSS |
| 76 | X | X | ROUND BUTTONS |
| 89 | X | X | ROUND BUTTONS |
| 102 | X | X | BALLISTIC BUTTONS |
| 114 | X | X | BALLISTIC BUTTONS |
| 127 | X | X | BALLISTIC BUTTONS |
| 152 | — | X | — |
Selection guide
- Soft rock + Homogeneous formation: Ballistic buttons, smooth skirt
- Soft rock + Fractured formation: Ballistic buttons, retro skirt
- Hard rock + Homogeneous formation: Round buttons, smooth skirt
- Hard rock + Fractured formation: Round buttons, retro skirt
Need rotary percussion bits?
PROMAFORSOVEMA holds a wide stock of bits at its 4 branches across France. Contact our teams for a customised quote or for advice on selecting the bit suited to your ground conditions.
