Diamond Cone Tile Bit - Countersink Drill Bit 4/5 in(20mm) x Hex Shank Electric Drill,Beveling Chamfer Bit for Shaping Enlarging Cleanig Existing Holes of Granite Marble Porcelain Tiles
【Dimensions】-Diameter 20mm (4/5 Inch),Chamfer Angle:Top Angle 56 degree,Total length 40mm,Workable length 20mm,Hex Shank, for Electric Drill,if fix it on Hammer Drill,please turn off Hammer Mode;
【Apply to】-Not for drilling holes,but designed to Wet or Dry Enlarge, Shape, Polish,Clean,Trim,Finish,Round or Bevel Existing Rough Holes of Marble Ceramic Porcelain Tiles Granite Stone.
【Vacuum Brazed Diamond Technology】-Stronger and more Uniform layer of diamonds for Enhanced performance and longer tool life.
【Full of Premium Diamonds on Bits' Working Face】Faster working speed,High efficiency,Diamond Grit #80/100 helps to reduce the risk of tile cracking when under tension,No broken edges.
【Instruction】Only Need one standard diamond hole saw+this versatile milling bit,many holes of different sizes can be created/shaped,the largest Hole size is 4/5Inch(20mm).