Dry Core Bits - X300 - Masonry

Designed for HVAC installers drilling vent and pipe penetrations through brick and block walls, this 5-inch dry core bit handles masonry work without water hookup requirements. The .125-inch segment thickness on the X300 series provides the cutting surface needed for cinder block, brick, and concrete block applications where wet drilling isn't practical. The 5/8-11 threaded arbor fits standard angle grinders and core drill rigs used on residential and light commercial jobs. Diamond Vantage engineers this bit for dry cutting applications where you need clean holes through masonry without the mess of slurry cleanup. Built for masons, HVAC techs, and electrical contractors running conduit through block walls.