Monster 4-1/2 in. Brazed Diamond Core Bit/Hole Saw for Granite, Quartzite, Marble, Concrete, Porcelain, Ceramic, Other Stones BDBP0412 - The Home Depot
2 Inch Diamond Hole Saw Drill Bit Ceramic, Porcelain Tiles, Glass, Fish Tank, Quartz, Marble, Granite Core Holesaw Size 2" - Amazon.com
15PCS Diamond Hole Saw Kit 15 PCS Diamond Drill Bits 1/4 to 2 Inch Hollow Core Drill Bits for Drilling Glass, Stone, Porcelain, Ceramic Tile ,Marble ,Pots, Bottles - Newegg.com
Sintered Diamond Hole Saw 2" - TroxellUSA
Master Wholesale Porcelain Diamond Hole Saw Bits - Wet Only
1.9 Inch Diamond Hole Saw With Center Drill Bit for Glass Ceramic Marble Porcelain Tile Glass Granite Quartz Gemstone (50mm) - Walmart.com
Monster 1-1/2 in. Brazed Diamond Core Bit/Hole Saw for Granite, Quartzite, Marble, Concrete, Porcelain, Ceramic and Other Stones BDBP0112 - The Home Depot
Rubi 2-3/4 in. Diamond Hole Saw 5979 - The Home Depot
Amazon.com: Drilax 1 3/4 Inch Diamond Hole Saw Drill Bit Ceramic, Porcelain Tiles, Glass, Granite Counter top Shower, Faucet Size 1-3/4 : Tools & Home Improvement