Syntec 2-1/2" SKCD Premium Diamond Wet Core Drill Bit for Concrete – Fasteners Plus
4-1/2" Dry Diamond Core Drill Bits for Brick, Block or Masonry, 9.5" Drilling Depth, 5/8"-11 Arbor - Amazon.com
Value Collection - Core Drill: 2-1/2″ Dia, 5MT, 118 °, High Speed Steel - 01582329 - MSC Industrial Supply
BOSCH, 2 1/2 in Drill Bit Size, 18 in Max Drilling Dp, Core Center Bit - 2LDG7|HC6521 - Grainger
2 1/2 Inch Laser Welded Wet Core Drill Bit – PL Tools
BIT49 2-1/2 in Diamond Core Drill Bit for Granite
Drill bit, diamond-coated steel, 2 to 2-1/5 inches. Sold per 5-piece set. - Fire Mountain Gems and Beads
Hilti TE-C 2-1/2 in. SDS-Plus Style Percussion Core Bit 28847 - The Home Depot
2-1/2" Dry Diamond Core Bit for Concrete with SDS Plus Adapter & Pilot Drill Bit | eBay
EDiamondTools 2-1/2 in. Dry Diamond Core Drill Bit for Brick and Block, 9.5 in. Drilling Depth, 1/2 in. Chuck Pilot Bit Adapter DBP0212A5ADJ11 - The Home Depot