2024-07-19
The specifications of button drill bits include 28, 30, 32, 36, 38, 40, 42, 64, 76, 89, etc. These specifications range from the smaller 28mm to the larger 89mm, suitable for different projects and application scenarios. The button drill bits are designed to provide efficient drilling capabilities, especially in projects such as mines and tunnels, and their service life and service life have obvious advantages over traditional sheet drill bits. For example, the 40mm and 42mm button drill bits ar
