Diamond Core Drill Bits Set - 8pcs (6/8/10/12/20/25/32/35mm) Hole Saw Kit with Round Shank for Ceramic Porcelain Tile Marble Granite Quartz SANLEETEK

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Product description

  • Recommended Machine Hand Drill, Bench Drill. Minimum RPM 2000; Faster the RPM, longer the working life
  • High Performance Advanced vacuum brazed technologuy and high-quality diamond grain imporve the performance and lifetime
  • Unique Detail The inside of 6-12mm drill bits are filled with cooling wax helpful for cooling and lubrication. The design of the U-grooves 20-35mm drill bits is sharper, facilitating the discharge of debris

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