Three Dimensional Screw acc. to Bertoni – Three Movements
৳ 0
Material: Stainless steel
- strengthened guides
- three independently controlled movements
- same total expansion per segment
With expansion screw key straight, small – standard.
Indication: for combined transverse and protrusion movements with Y plates
| Directional arrow | Printed, blue-yellow |
| Maximum expansion | 4.0 mm/segment |
| 4 x 1/4 turn | 0.35 mm/segment |













