FACHLICH Diamond Core Drill Bit,2pcs Diameter 14mm Thread M14,Vacuum Brazed Dry Wet Hole Saw for Porcelain Tile,Granite,Marble,Concrete,Masonry,Brick

Dimension—Diameter 14mm, 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; 6mm-16mm bits with Wax inside help cooling the bits; 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.