Diamond Finger Milling Bits - 1-3/8''(35mm) Core Drill Bit for Enlarging,Shaping,Grinding and Round Bevel Existing Holes in Tile Porcelain Ceramic Granite Marble Stone 5/8''-11 Thread
【Application】Desinged to enlarge, shape, grind and round bevel existing holes in Tile Porcelain Ceramic Marble Granite, etc. Dry or Wet use
【Vacuum Brazed Technology】Vacuum Brazed Technology improves product performance and long working life, durable and sturdy. High-quality Diamond Grain provides faster enlarging grinding and beveling speed
【Cost-Effective】With just one standard diamond core drill bit and a finger milling bit you are able to create many different hole sizes, without needing to buy several different core bits
【Recommended Machine】Corded Drill, Cordless Drill, Benchtop Drill. Recommended speed: 2000-5000RPM; Faster the RPM, longer the drill bit's working life. When use Angle Grinder, please install angle grinder drill chuck. (Attention: Diamond Finger Milling Bit can not be used to drill holes, but to enlarge, shape, grind and round bevel existing holes)