Diamond Core Drill Bits (also known as Diamond Hole Saw) are the gold standard for precision drilling in ultra-hard materials like glass, stone, ceramics, and gemstones. Engineered for durability and consistent performance, these drill bits are essential tools for lapidary artisans , jewelers , and industrial professionals alike.
Precision Cutting Performance
Each Diamond Core Drill bit features a diamond-coated cutting edge that enables clean, accurate holes with minimal chipping or cracking. Available in various diameters and shaft sizes, they’re compatible with a wide range of rotary tools, including Dremels, flex shafts, and drill presses .
Applications: Beads, Settings, Material Removal & More
Whether you're creating bead holes, mounting settings, or conducting detailed material removal, these core bits offer smooth drilling and long service life even in the toughest substrates.
Tool Compatibility & Cooling Requirements
Perfect for handheld drills, drill presses, and water swivel setups. Always use with water for cooling and optimal results.