$69.99 concrete core drill bits up to 12 in â Universal Rent It All
Bosch 1/4 in. Multi-Purpose Tungsten Carbide Drill Bit for Drilling Tile, Masonry, Wood, Metal 
2.5 inch Diamond Core Drill Bit Power Tool Concrete Drilling Hole 1-1/4 7anbor 810684021587 | eBay
