DT-DIATOOL Diamond Beveling Chamfer Bits - Diamond Countersink Drill Bit 20mm for Enlarging Trimming Shaping Existing Holes of Granite Marble Porcelain Tiles

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DT-DIATOOL Diamond Chamfer Bits 82mm Milling Bits for Enlarging Holes in Tile Porcelain Marble Ceramic Granite
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Product description

  • Diameter 20MM;Workable Width 20mm;Total Length 40mm.Chamfer angle top angle 56 degree; Grit #80.Recommend RPM 6000-11000RPM.Used on M14 angle grinder.
  • Diamond grit #80 is sharper. It helps to reduce the risk of tile cracking when under tension and clean the holes. Wet or dry use.
  • Vacuum brazing technology keeps premium diamonds more firmly and durable. best work effect and longer life.
  • As a saving-money tool,just one standard core bit and this versatile milling bit diamond cones beveling bit,many holes of different sizes can be created from 5mm-20mm.

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