$55.99 2.5 inch Diamond Core Drill Bit Power Tool Concrete Drilling Hole 1-1/4 7anbor 810684021587 | eBay
1-1/4â Laser Welded Dry Diamond Concrete Core Drill Bit | eBay
New 13PCS High Speed Steel Titanium Coated Drill Bit Set 1/4 for Drilling Concrete Brick Power 
