KURSTOL Diamond Core Drill Bit Set - 7pcs 6/8/10/20/25/35/50mm Hole Saw Kit M14 thread for Dry Drilling Porcelain Ceramic Tile Granite Marble Stone Angle Grinder

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  • Wide Compatibility Diamond Drilling bits are Suitable for Wet Dry drilling clean holes to tile ceramic,granite,marble,masonry
  • Vacuum Brazed Diamond Technology More Heavy Duty and Wear Resistant than electroplated diamond bit,provide very high efficiency,cuts faster,durable and sturdy
  • Unique Design Wax Lubricant (6 8 10mm) and 8mm wide Lightning Tooth Design(above 20mm),the wax cools the cutting surface as additional cooling to prolong the life of the bit Sharper and Drilling,Fast Removing Chips,Less Chipping,Less heat generation
  • Machine compatible with most angle grinder driller,Recommend 6000 RPM,Max 11000 RPM,100mm and Above Recommend 3000 RPM,Max 6000 RPM

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