Description of π Diamond Porcelain Circular Drill Bit - Drilax010085
HIGH QUALITY, DURABLE Diamond Coated Hole Saw Tool 3-3/8 inches Diameter. Depth of Cut: 1-1/8 inch - STANDARD 3/8 inch Shank Use Standard Electric or Cordless Rotary Tools or Drill. DUSTLESS - FAST - CLEAN PROFESSIONAL Holes in Tiles, Glass, Fish Tanks, Marble, Granite Countertop, Ceramic, Porcelain. Diamond Drill Hole Saw for Floor Drain, Shower, Shower Mixing Valve, Shower Drain Installation. Use water as coolant to prolong the tool life. DESIRED RESULTS in Granite, Ceramic & Porcelain Tiles, Glass, Marble, Slate, and many types of Stones. No need for a pilot drill.