CS Unitec's premium-grade Unicore wet diamond core drill bits are ideal for use in concrete, reinforced concrete, masonry, and more! Made from the highest quality diamond segments to provide maximum footage life, faster penetration, and core drilling speed for all types of wet diamond drilling applications. Unicore diamond segments are engineered to reduce required feed pressure, allowing for less effort and drill power compared to lower quality core bits. These bits utilize industry standard threads of 5/8” x 11 or 1 ¼” x 7 UNC to fit electric, pneumatic, and hydraulic core drills.