Our high-quality diamond core bits are designed for a wide range of drilling tasks across stone, glass, and specialized applications. This category features thin-wall diamond core bits for stone drilling, perfect for drilling granite, marble, and countertop projects like coring holes for sinks and faucets. With segmented diamond technology, they ensure precise, crack-free cuts in tough materials. We also offer even smaller diamond core bits for glass drilling, crafted for delicate precision, alongside other variations tailored to unique needs like plumbing, electrical, and remodeling work. Available with or without pilot bits, professionals rely on these durable diamond core bits for consistent performance in stone fabrication, glasswork, and beyond.