Top best buy Core Drills <br /> <br />1. DEWALT Bare-Tool DCD950B 1/2-Inch 18-Volt XRPHammerdrill/Drill/Driver <br />http://www.amazon.com/gp/product/B002RT7K3W?tag=mydailyn-20 <br />2. DEWALT Bare-Tool DCD950B 1/2-Inch 18-Volt XRPHammerdrill/Drill/Driver <br />http://www.amazon.com/gp/product/B002RT7K3W?tag=mydailyn-20 <br />3. Concord Blades CBW0300 Wet Concrete Diamond Core Drill Bit with 14-Inch Tube Length, 3-Inch <br />http://www.amazon.com/gp/product/B00LQKTX74?tag=mydailyn-20 <br />4. Concord Blades CBW0300 Wet Concrete Diamond Core Drill Bit with 14-Inch Tube Length, 3-Inch <br />http://www.amazon.com/gp/product/B00LQKTX74?tag=mydailyn-20 <br />5. Concord Blades CBD0400 Laser Welded Dry/Wet Diamond Core Drill Bit with 9-Inch Tube Length, 4-Inch <br />http://www.amazon.com/gp/product/B00LQKU9BI?tag=mydailyn-20 <br />6. Concord Blades CBD0400 Laser Welded Dry/Wet Diamond Core Drill Bit with 9-Inch Tube Length, 4-Inch <br />http://www.amazon.com/gp/product/B00LQKU9BI?tag=mydailyn-20 <br />7. Concord Blades CBW0250 Wet Concrete Diamond Core Drill Bit with 14-Inch Tube Length, 2-1/2-Inch <br />http://www.amazon.com/gp/product/B00LQKTUO0?tag=mydailyn-20 <br />8. Concord Blades CBW0250 Wet Concrete Diamond Core Drill Bit with 14-Inch Tube Length, 2-1/2-Inch <br />http://www.amazon.com/gp/product/B00LQKTUO0?tag=mydailyn-20 <br />9. Toolocity SCB0138D 1-3/8-Inch Monster Dry/Wet Diamond Granite/Concrete Core Drill Bits/Hole Saws <br />http://www.amazon.com/gp/product/B003B3IFDW?tag=mydailyn-20 <br />10. Toolocity SCB0138D 1-3/8-Inch Monster Dry/Wet Diamond Granite/Concrete Core Drill Bits/Hole Saws <br />http://www.amazon.com/gp/product/B003B3IFDW?tag=mydailyn-20",
