This 22mm diamond finger bit comes with five spiral segment bars and a G 1/2″ connection, for use with CNC stone processing machines, hand routers, and other equipment. It is ideal for cutting and shaping sink openings in kitchen countertops, expanding pre-drilled holes in granite, marble, quartz, and other materials. Different formulas are available for drilling various materials, including granite, marble, stone, quartz, and more.
We offer different types of premium diamond finger bits, including segmented and electroplated types. You can choose the diameter and length according to your cutting projects. High-quality artificial diamonds and excellent segment formulas ensure optimal cutting performance. Refer to the table below to select the best diamond finger bits for your specific project.
| 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 |
