Dry Core Bit - X301 Zz Turbo - Masonry

Designed for HVAC installers drilling vent holes through brick and block walls, this 4-inch dry core bit handles masonry applications without water cooling. The ZZ Turbo segment design clears dust efficiently while maintaining cutting speed through concrete block, brick, and stone. The .125-inch segment height provides extended service life in abrasive materials. This bit features a 5/8-11 threaded arbor connection that fits standard angle grinders and core drill motors. The dry cutting capability eliminates the need for water supply and containment on job sites where wet drilling creates cleanup issues. Built for masons, general contractors, and mechanical trades drilling anchor points and penetrations in masonry structures.