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- Diamond dry core bit with vacuum brazed protection offers clean cut & steel core protection The diamond core drill is designed for drilling granite engineered stone Fit on a high-speed angle grinder Provides the best cutting performance and can drill through the toughest granite or engineered stone countertop at the job site without using water Recommend to use water to cool down,will greatly extend their lives ›See more product details
Z-LION1-3/8 Diamond Hole Saw with Vacuum Brazed Dry Core Drill Bit for Granite Marble