Diamond Core Bits - X301 Zz Turbo - Concrete

Designed for HVAC installers drilling refrigerant line penetrations through poured concrete walls, this X301 Zz Turbo core bit handles demanding concrete drilling applications. The 3-1/4 inch diameter with .155 wall thickness and 1 1/4-7 thread connection provides the stability needed for clean, accurate holes in structural concrete. Diamond Vantage engineers this bit with turbo segment design to increase cutting speed and debris removal in medium to hard concrete. The segments maintain consistent performance through repeated drilling cycles without requiring constant water flow adjustments. Fits standard core drill rigs with compatible arbor threading. Built for mechanical contractors, plumbers, and electricians running conduit and utility penetrations in commercial construction.