🔨 Drill Your Way to Perfection! 5/8" thread fits seamlessly on polishers and grinders. Recommended speed of 3000-6000 RPM for optimal results. Lasts for dozens of holes, depending on materials. Use it wet or dry for maximum flexibility. Drill through granite and concrete like a pro! Wet/Dry use Diamond core 5/8" thread The SCB0058D 5/8-Inch Monster Dry/Wet Diamond Granite/Concrete Core Drill Bits are engineered for precision drilling in tough materials like granite and concrete. With a 5/8" thread compatible with polishers and grinders, these bits are designed for both wet and dry use, ensuring versatility in any project. Built to last, they can handle dozens of holes depending on the material, making them a reliable choice for professionals and DIY enthusiasts alike.