$59.99 Bosch 1-1/2-in x 21-in SDS-Max Masonry Drill Bit for Wood, Tile, Concrete 346429909 | eBay
EDiamondTools 6-1/2 in. x 14 in. Wet Diamond Core Bit for Concrete and Masonry-WBP0612A4 - The 
Tapcon 1/2 in. x 10 in. SDS-Plus Drill Bit-11495 - The Home Depot
