Diamond Core Drill Bit for Concrete – Premium Black – Large Diameter Wet Cut

Large-diameter core drilling through reinforced concrete walls and foundations demands professional-grade diamond tooling that can handle continuous wet cutting applications. This black-coated diamond core bit delivers the cutting performance needed for mechanical, electrical, and plumbing penetrations in commercial and industrial projects. The wet cut design provides cooling during operation and extends bit life when drilling through aggregate and rebar. Diamond segments are laser-welded to the steel core for secure attachment under load. Use with a compatible core drill rig and water supply system for best results. Built for concrete cutting contractors and mechanical trades running large-diameter penetrations in structural concrete.