VEVOR Diamond Core Drilling Machine, 20-200 mm Drilling Diameter, Stand-Mount Dry and Wet Concrete Core Drill Rig with 8 Drill Bits, 850 RPM Speed, UNC1 1/4-7 Thread, for Concrete Brick Stone, 3000W

Powerful & Fast Drilling: This core drill is equipped with a robust 3000W motor and spins at 850 RPM, delivering fast, efficient drilling. It handles holes up to 8 in (200 mm) with a 1/4-7 in threaded output shaft—ideal for heavy-duty tasks,Superior Hole Quality: Our diamond core drilling machine features both wet and dry drilling. The wet drilling option flushes out debris and cools the bit with water, reducing dust and improving hole smoothness—great for indoor renovation work,Enhanced Security & Stability: The built-in clutch automatically stops the drill when it hits hard resistance to save you and the core drill machine. Plus, the water-seal-free design avoids common water seal failures and keeps your workflow steady,Built to Last: Crafted with a lightweight yet tough aluminum body, this core drill rig resists wear and tear while keeping fatigue low. The reinforced PVC water hose is crack-resistant, and the steel output shaft delivers consistent accuracy,Professional Kit: Comes fully loaded. This concrete core drill includes eight premium drill bits (1 in, 2 in, 3 in, 4 in, 5 in, 6 in, 7 in, 8 in) that cut through reinforced concrete, brick, marble, and more. It is ideal for all your drilling needs