Concrete Core Drill Bit - Premium Black Wet Segmented Core Bits

Designed for HVAC contractors drilling through reinforced concrete walls to install ductwork and mechanical penetrations. These wet segmented core bits from Diamond Products feature black-coated segments engineered for fast cutting in hard concrete and masonry. The segmented design provides efficient cooling and debris removal when used with water, extending bit life on demanding commercial jobsites. Laser-welded segments maintain stability under continuous operation, while the optimized diamond matrix delivers consistent performance through cured concrete up to 6,000 PSI. Standard arbor connection fits most handheld and rig-mounted core drilling systems. Built for mechanical contractors, plumbers, and electricians running conduit and utility lines through structural concrete.