ApplicationDesinged to enlarge, shape and grind existing holes in Tile Porcelain Ceramic Marble Granite Masonry Stone
High PerformanceHigh-quality Diamond Grain and Vacuum Brazed Technology provides much longer working life, high efficiency, durable and sturdy
Save MoneyWith just one standard diamond core drill bits and a finger milling bit you are able to create many different hole sizes, without needing to buy several different core bits
AttentionDiamond Finger Milling Bit can not be used to drill holes, but to shape, enlarge and grind existing holes. It fits on M14 Thread Angle Grinder. Dry or Wet use. Very easy to operate. Recommended speed 6000RPM, maximum speed 11000RPM