1" - 12" Inch Diamond Wet Core Drill Bit Set 1-1/4” Threaded by BLUEROCK Tools for Concrete Rebar Asphalt Brick Rock Masonry Hole Barrel Coring Bits - Amazon.com
SHDIATOOL Diamond Core Drill Bits 1-1/4 Inch for Hard Stone Concrete Marble Granite Brick Laser Welded Dry or Wet Hole Saws 32mm - Walmart.com
4 inch / 102mm Wet Diamond Core Drill Bit for Concrete Hole Saw MESA DIAMOND® | eBay
Wet Concrete diamond core drill bits Dia 102mm working length 350mm
DT-DIATOOL Diamond Core Drill Bit Set Tile Hole Saw 6/8/10/16/19/51/65/102mm + 2 inch Diamond Chamfer Bit 5/8"-11 Thread for Porcelain Tile Ceramic Granite Marble Brick ConcretePack of 9 - Amazon.com