Vortex Diamond Supreme Dry Diamond Core Drill Bits Fast Dry Drilling for Brick, Block & Masonry

  The Vortex Diamond Supreme Dry Core Drill Bit Series is engineered for fast, efficient, and clean dry drilling in soft brick, concrete block, CMU, and soft masonry materials. Manufactured with high-concentration diamond-aligned segments and laser-welded for maximum strength, these core bits deliver long life, high speed cutting, and dependable performance for professional contractors, electricians, plumbers, and HVAC installers. Designed specifically for dry drilling with hand-held tools, these bits feature precision laser-cut cooling slots to manage heat and dust — even without water. The universal 5/8"-11 threaded arbor ensures compatibility with most grinders and hand-held core drills. Note: Not recommended for drilling solid poured concrete or reinforced concrete. For rebar or dense concrete, choose Vortex Diamond Wet Core Bits. ✅ Key Features Supreme-grade laser-welded diamond segments High diamond concentration for extended cutting life Designed for dry drilling Bes