Engineered for high-speed, precision drilling, these Diamond Twist Drill Bits are ideal for penetrating ultra-hard materials such as glass, ceramics, stone, gemstones, and hardened alloys. The diamond-coated spiral design ensures clean, smooth holes with minimal chipping or cracking, making them suitable for both industrial tasks and artistic projects.
Perfect for use with rotary tools, drill presses, and handpieces, these bits combine durability, accuracy, and control, even in the most delicate materials.