Description of Drilax Diamond Ceramic Porcelain Granite
DUSTLESS and FAST Large Size Drilling for Floor, Wall Tiles, Toilet Cutout, Shower Diverter Valves. 4 inch Diamond Hole Saw Drill Bit. This tool is exactly 4 inches in diameter, not 100mm. Shank is 3/8 inch for standard cordless, electric drill chucks and upright. No need for a grinder anymore. Use wet with water. Not for dry use. Cuts Through Ceramic, Porcelain, Glass, Marble, Granite. Drilling Depth 1-1/8 inches. We suggest containing the diamond hole saw between clamped pieced of wood as seen in description. Pilot drill bits are not safe for brittle materials. This tool does not have a pilot drill bit.