Core Bits For Concrete - X300 - Concrete

Designed for HVAC installers drilling refrigerant line penetrations through reinforced concrete walls and floors, this 4-inch X300 series core bit from Diamond Vantage handles cured concrete with consistent performance. The .155-inch segment height provides extended drilling life in commercial and residential applications. The 1 1/4-7 threaded arbor fits standard core drill rigs used on job sites. This bit cuts clean holes for electrical conduit, plumbing pipes, and mechanical system installations where precision matters. The X300 designation indicates a concrete-specific segment formulation that maintains cutting speed without excessive wear. Built for mechanical contractors, plumbers, and electricians running penetrations through structural concrete on commercial build-outs and renovation projects.