Our 117 mm Concrete Core Drill Bit is specially designed for accurate and heavy-duty drilling in concrete, reinforced concrete (RCC), brick, stone, and masonry materials. Built with premium diamond segments and a robust steel body, this core drill bit delivers fast drilling speed, smooth cutting performance, and excellent durability for demanding construction and industrial applications. Ideal for plumbing, electrical installations, HVAC systems, anchor fixing, and structural drilling work, it ensures precise hole drilling with reduced vibration and stable operation. Suitable for both wet and dry drilling methods, the 117 mm core drill bit provides reliable performance and long service life for professional contractors.