Vacuum brazed core bit is a drill bit with diamond particles permanently bonded to a steel body using a high-temperature vacuum brazing process, designed for fast, clean, and durable drilling. This technology allows for both wet and dry use, minimal chipping, and a longer lifespan than other types of bits. They are highly versatile and used to drill through hard materials like granite, marble, concrete, and tile. 

We developing this core bits with diameters from 6mm to 120mm, M10 M14 5/8-11 thread for selection.