VEVOR Wet/Dry Diamond Core Drill Bit This specialized diamond core drill bit includes a directional drill and a saw blade. It utilizes high-frequency laser welding technology, providing fast and clean drilling. The 5/8"-11 universal thread makes it an ideal choice for versatile machines used on hard concrete and bricks. Precision Engineered Design Dual-Use Wet and Dry Wide Applications Perfect Kit VEVOR Wet/Dry Diamond Core Drill Bit Our core drill bit is crafted from high-quality carbon steel with diamond-grit teeth. Diamond is one of the hardest materials on Earth, ensuring outstanding wear resistance. The diamond-grit core drill bit remains sharp and extends its lifespan when cutting and grinding tough materials. Key Features Precision Engineered Design: Our core drill bit is designed with universal 5/8"-11 thread, making it easy to quickly assemble onto standard core drilling equipment or handheld drill machines, providing versatility and convenience. Dual-Use Wet and Dry: Our