This diamond finger bit features five spiral segment bars welded around the body. It is designed for shaping, grinding, and drilling holes in various construction materials like granite, marble, and quartz, making it suitable for sink cuts, hole enlarging, and more. Several holes between each segment improve water cooling performance. The common connections are G 1/2” and 5/8″-11, making it compatible with CNC stone processing machines, hand routers, and other similar equipment.
We provide various sizes of segmented diamond finger bits for our customers. The main diameters are 20mm, 22mm, and 25mm, while the main lengths are 30mm, 40mm, and 50mm. Optional segment types include net-type and spiral bars. For details, 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 |
