Dry Diamond Drill Bit - BGTEC 1pc 4/5" 20mm Hole Saw for Granite,Marble,Masonry, Concrete, Tile/Ceramic, Glass, Hard Plastic,Vacuum Brazed Diamond Core Drill Bit Kit

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Dry Diamond Drill Bit - BGTEC 1pc 4/5" 20mm Hole Features

• 【Size】1 piece dry diamond drill bits (4/5" 20mm).Total Length 65mm,Diamond height 10mm,Max working depth 30mm,Diameter 4/5" 20mm,Round shank,Grit #40/45

• 【Application】For Granite, Tile, Ceramic, Marble, Stone, Porcelain, Masonry. Use water for longer time.

• 【Chip removal design】Specially designed holes on both sides of the drill for fast chip removal and drilling efficiency

• 【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.

About Dry Diamond Drill Bit - BGTEC 1pc 4/5" 20mm Hole