Dry Diamond Drill Bits Set 5pcs 8mm SANLEETEK Hole Saw Kit with Triangle Shank for Ceramic Porcelain Tile Granite Marble Quartz Stoneware

【Specifications】Totally 5pcs/set: Diameter 8mm; Total length 65mm; Diamond height 10mm; Diamond Grit #50/60; Triangle Shank; Handle diameter 10mm 【Application】Dry or Wet drilling Ceramic Porcelain Tile Granite Marble Quartz Stoneware, etc 【High Performance】Advanced vacuum brazing technology and high-quality diamond provide High efficiency and long life 【Unique Detail】The inside of drill bits are filled with cooling wax, help heat dissipation and chip evacuation 【Recommended Machine】Triangle Shank drill bits suitable for Hand Drill, Bench Drill. Minimum RPM: 2000; Faster the RPM, longer the working life.