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Dry Diamond Drill Bit Set - BGTEC 6/8/10/12/20/25/32/35mm Hole Saw and 1pc 2" Dimaond Chamfer bit for Granite Marble Porcelain Ceramic,Vacuum Brazed Diamond Core Drill Bit Kit - DBT31S2ROUAC
BGTEC DBT31S2ROUAC
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【Size】9 pieces dry diamond drill bits (1/4"+5/16"+3/8"+1/2"+4/5"+1"+1-1/4"+1-3/8").Total Length 65mm. Round shank 【Application】For Granite, Tile, Ceramic, Marble, Stone, Porcelain, Masonry. Use water for longer time. 【Wax inside】For cooling,our Diamond Tipped Drill Bits have wax cores built-in which automatically absorb and dissipate heat as you go. 【Vacuum Brazed technology】 Higher efficiency, faster working speed, longer service life. 【Note】Used for hand drill and bench drill,Hand drill at 2000-5000RPM, the slower the shorter the life.
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