Tapcon 3/16 in. Carbide SDS Drill Bit (1-Piece) 11491 - The Home Depot
Drill America 13/16-in 6-in Cobalt Silver and Deming Twist Drill Bit in the Twist Drill Bits department at Lowes.com
3/16" x 3-1/2" Tapcon Bit, Each
Airgas - WAL380A010 - Drillco Series 380 NO 10 X 2 1/4" Black Oxide HSS Screw Machine Length Drill Bit With Straight Shank And 1 3/16" Spiral Flute (12 Per Pack)
Hex Shank Titanium Drill Bit Set (4 PC.) - RYOBI Tools
Amazon.com: Suwinus 10 Pieces Masonry Drill Bit Set 3/16 to 1/2 inch,1/4" Hex Shank Concrete Drill Bit Set for Glass, Tile, Brick, Pots, Plastic and Wood, Carbide Tip Works with Ceramic, Marble,
5Pc Hex Shank Titanium Drill Bit Set Electric Twist Drill Multl Bits 3/16" 4.8mm | eBay
Drill America 13/16 in. Contractor Grade Drill Bit with 1/2 in. 3-Flat Shank HD3F13/16 - The Home Depot