FACHLICH Diamond Core Drill Bits 25mm Porcelain Hole Saw 2pcs Vacuum Brazed for Tile Ceramic Granite Marble

Dimension—Diameter 25mm, Total Length 60MM,Diamond Height 10mm, Connection M14 thread Vacuum Brazed Technology— provide much longer working life (Generally 3-5times),More Heavy Duty and Wear Resistant than electroplated ones,provide very high efficiency,cuts faster,durable and sturdy; Lightning Shape Design— Fast Removing Chips and Improve drilling efficiency,Less Chipping, Minimizing breakage,less heat generation, Better finish quality; Application—Drilling for granite & marble,masonry, concrete, tile/ceramic, glass, hard plastic,Recommended Machine: Angle grinder; Remark—Wet/Dry drilling are OK, Use water for longer work life and higher efficiency.