$60.99 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 
HILTI CONCRETE DRILL BIT 1/4 in. x 6 in.,BRAND NEW, (SINGLE BIT), FAST SHIPPING | eBay
