Our 28 mm Concrete Core Drill Bit is specially designed for accurate and efficient drilling in concrete, reinforced concrete (RCC), brick, stone, and masonry materials. Manufactured with high-grade diamond segments and a strong steel body, this core drill bit provides fast drilling speed, smooth cutting action, and superior durability for heavy-duty construction and industrial applications. Ideal for plumbing, electrical work, HVAC installations, and anchor fixing, it ensures precise hole drilling with reduced vibration and stable performance. Suitable for both wet and dry drilling operations, the 28 mm core drill bit delivers reliable results and long service life for professional use.