Granite is a hard and durable natural stone, and drilling through it requires a specialized drill bit. Beijing Deyi Diamond Tools Co., Ltd.'s granite diamond core drill bit is designed to meet the demands of granite drilling. The high - quality diamond coating on the cutting edges ensures excellent cutting performance, allowing you to create clean and precise holes in granite countertops, tiles, and other granite products. Whether you're a stone fabricator, a kitchen and bathroom installer, or a DIYer working on a granite project, our granite diamond core drill bit will provide the reliability and precision you need to achieve outstanding results.