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Best Choice Baumr 
Baumr-AG HC-120 1800W 120mm Handheld Concrete Core Drill 1800W motor for consistent power delivery; 120mm maximum drilling diameter with a;Baumr 
Baumr-AG 53mm Diamond Core Drill Bit for Concrete, Stoneware, Bricks, Tiles & Others 1-1/4 UNC Commercial-Grade Steel;Baumr 
Baumr-AG 114mm Diamond Core Drill Bit for Concrete, Stoneware, Bricks, Tiles & Others 1-1/4 UNC Commercial-Grade Steel;LepoHome 
Diamond Drill Bits, LepoHome 10 PCS Hollow Core Drill Bit Set for Ceramic, Glass, Porcelain Tile Diamond Hole Saw Tile S 10 Sizes(Diameter): 6mm(1/4"), 8mm(5/16"), 10mm(3/8"), 12mm(1/2"), 14mm(0.55"), 16mm(5/8"), 18mm(11/16"), 20mm(3/4"), 22Best Value Baumr 
Baumr-AG 2000W 160mm Handheld Core Drill w/Stand,63mm & 127mm Drill Bit Combo, for Concrete Coring Hole Drilling 2000W motor for consistent power delivery; 160mm maximum drilling diameter Superior performance pierces through reinforcVEVOR 
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