Mophorn Wet Diamond Core Drill Bit Advanced Technology for Superior Performance This premium diamond core drill bit employs high-frequency laser welding for rapid and precise drilling. Featuring a 1-1/4"-7 universal thread, it’s perfect for various machines tackling reinforced concrete, red bricks, foam bricks, and other materials. Engineered for Accuracy Dust-Free Wet Cutting Efficient and Smooth Operation Versatile Use Across Materials Key Features High Durability: Constructed with premium carbon steel and a diamond-grit head, this drill bit offers outstanding wear resistance. Its laser-welded design prevents tooth loss, ensuring consistent performance and a long service life. Effective Dust Control: Designed for wet cutting, the diamond core drill bit minimizes dust through water cooling, making it ideal for indoor use. This reduces airborne particles, enhancing safety and cleanliness in enclosed spaces. Complete Cutting Kit: This core drill bit set includes a 2.36 in (60mm)