4 Way Cross Cut Silver Carbide Drill Bits Small Barrel Coarse – Nailite Inc.
Twist Tip Diamond Drill Bit Set - High Efficiency and Fast Cutting, Drill Bits for Cutting Diamonds, Tile, Concrete, Brick, Glass, Plastic, and Wood, 6 Pieces - by RamPro - Walmart.com
Drilax Diamond Drill Bit Set 1/2 (0.5) 3/4 (0.75) 1 inch Tile Hole Saw – Drilax Tools