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1/4 in Diamond Drill Bit 1/4 inch for Porcelain Tile Drill Bit Glass Drill Bit Diamond Tip Bit with Core Guide to Hold in Place and Prevent Jumping 6mm Porcelain Drill Bit
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Trial Pack: 1/4" PorcelainPlus Cyclone & Speedbits - 2 pcs Cyclone 1/4" & 3 pcs Speedbits 1/4" - Porcelain Drillbit
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SPKLINE 6 Pcs Glass and Tile Drill Bit Set (1/8",3/16",1/4",5/16",3/8",1/2"), for Drilling Holes in Glass, Wine Bottle, Wall Mirror, Bathroom Tile,Ceramic Tile and Drainage Holes for Plant Pots - Amazon.com
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