Core Bit Drill - Premium Black Large Diameter Wet Core Bits - Solid Back

Large-diameter plumbing and electrical contractors rely on these wet core bits when drilling through reinforced concrete walls for major pipe and conduit runs. The solid back design provides stability during deep cuts while the black-coated diamond segments deliver consistent cutting performance in wet applications. These bits handle the demanding work of creating openings for HVAC ductwork, sewer lines, and electrical conduit in commercial and industrial structures. Water-cooled operation reduces dust and extends segment life on jobs where you're drilling multiple large-bore holes through structural concrete. Built for mechanical contractors and concrete cutting specialists running high-horsepower core drill rigs on commercial construction sites.