$68.99 Diamond Drill Bit Core Boring Diameter 1-1/2 Inch Concrete Drill 11 Long | eBay
NEW Metabo 676516000 Concrete Drill Bit 1/2x7-1/2x13 662911866085 | eBay
Bosch 1/2-in x 6-in Round Hammer Drill Masonry Drill Bit for Concrete in the Masonry Drill Bits 
