Drilax 3-3/4" Diamond Hole Saw Ceramic Porcelain Tile Glass Marble Granite Quartz Cutting Coated Circular Saw DIY Shower Kitchen Tool Drill Bit Tip Wet Drilling Core Grit 3 3/4 Inches in Drilax010095 Diamond Coated Hole Saw Drilling Holesaw Tool 3 3/4" - Larger Than 3 inches - Smaller Than 4 Inches Cuts Through Ceramic and Porcelain Tile - Glass, Marble, Granite, Quartz Use with Any Electric Drill - Diamond Circular Hole Saw for Floor Drain, Shower, Shower Mixing Valve, Shower Drain Installation Drills 1 inch deep - Wet Type - Do not use dry - No Pilot Drill Bit - Pilots are not required Cylindrical Shank 3/8" - No Need for Adapters or Arbor