🔨 Drill Like a Boss! Unleash the Power of Precision. 5/8" thread fits seamlessly on polishers and grinders. Designed to endure dozens of holes, ensuring you get the job done. Recommended speed of 3000-6000 RPM for optimal results. Use it wet or dry for maximum efficiency. Drill through granite and concrete like a pro! Wet/Dry usage 3/8" thread compatibility 3000-6000 RPM speed The ToolocitySCB0300D 3-Inch Monster Dry/Wet Diamond Granite/Concrete Core Drill Bits/Hole Saws are engineered for professionals seeking durability and versatility. With a 5/8" thread for easy attachment to polishers and grinders, these bits are designed to tackle granite and concrete with ease, whether used wet or dry. Expect to drill dozens of holes at a recommended speed of 3000-6000 RPM, making it an essential tool for any serious contractor or DIY enthusiast.