1-1/2" Dry Diamond Carbide Core Bit - Drill Bit Warehouse
Monster 1-1/2 In. Diamond Core Bit Hole Saw with 1/2 in. Shank for Drilling Granite, Marble, Ceramic, Porcelain and Concrete BCBOS0112 - The Home Depot
Diamond Core Drill Bit for Concrete 1 1/2 in x 16" Long with SDS PLUS
BLUEROCK 2.5" Diamond WET Coring Bit For Concrete Core Drill - BLUEROCK Tools
1 1/2 Inch Laser Welded Wet Core Drill Bit – PL Tools