This 25mm diamond finger bit is designed for shaping, drilling, and enlarging holes on granite, marble, engineered stone, and other hard materials. It is ideal for use on CNC machines, radial arm machines, and hand-held routers, suitable for countertop fabrication, sink cutouts, and other stone processing tasks.
We offer different sizes and connections of diamond finger bits, including sintered segment types for granite and electroplated types for marble. Please refer to the table below:
| Diameter | Processing Length | Connection | Type |
| 20mm | 30/40/50mm | G 1/2”, 5/8″-11 | Segmented for granite, marble, and other stones |
| 22mm | |||
| 25mm | |||
| 16mm | 30/40/50mm | G 1/2”, 5/8″-11 | Electroplated for marble and other soft stones |
| 23mm |
