6-1/2 Inch Professional Diamond Core Drill Bit Hole Saw for Concrete, Asphalt

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6-1/2 Inch 6.5 Laser Welded Diamond Core Drill Bit Hole Saw for Concrete and Asphalt, Professional Quality. 6-1/2″ Diameter, 1-1/4″-7 thre...

6-1/2″ Laser Welded Wet Diamond Core Drill Bits for Cutting Concrete and Asphalt, Professional Quality, Fast Drilling, 6-1/2″ Diameter x 1...

6-1/2 Laser Welded Wet Diamond Core Bits Cutting Concrete, Asphalt