Beijing Deyi Diamond Tools Co., Ltd.'s large - diameter diamond core drill bits are designed to tackle big drilling challenges with ease. Whether you're drilling through thick concrete foundations, large stone slabs, or other heavy - duty materials, these drill bits are up to the task. The large diameter allows for the creation of significant - sized holes quickly and efficiently, reducing the time and effort required for your projects. The high - quality diamond particles on the cutting edges provide excellent cutting performance and durability, ensuring that the drill bits can withstand the rigors of heavy - duty use. Whether you're a professional contractor working on large - scale construction projects or involved in industrial applications, our large - diameter diamond core drill bits offer the power and precision you need. They are designed to work seamlessly with a variety of drilling equipment, providing you with a reliable and efficient drilling solution.