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Dry Diamond Drill Bit Set,BGTEC 4pcs 1/4" 5/16" 3/8" 12mm Hole Saw for Granite,Marble,Masonry, Concrete, Tile/Ceramic, Glass, Hard plastic,Vacuum Brazed Diamond Core Drill Bit Kit - DBT31S1
BGTEC DBT31S1
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UPC
769891571500
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diameter 6mm,8mm,10mm,12mm, diamond length 10mm,round shank Multi-purpose drilling for granite & marble, masonry, concrete, tile/ceramic, glass, hard plastic Wax inside for cooling,our Diamond Tipped Drill Bits have wax cores built-in for Cooling and Lubrication.Special Designed with Hole and Groove in the Side of Drill Bit for Removing Stone Chips Dry drilling without water,Use water for longer time Vacuum Brazed diamond technology provide very high efficiency,cuts faster,durable and sturdy
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