Drill Bit Set Hole, 15PCS Hole Saw Set for Glass, Marble, Granite Stone

  • 【Glass Drill Bit】These diamond drill bits are made of industrial grade carbon steel with nickel-plated coated body to resist corrosion. Fine workmanship and super wear-resistant, sharp
  • 【High Quality Drill】Each hole is treated with smooth and accurate surface treatment,and the top oh the hole is thickened to achieve excellent cutting strength
  • 【Tile Hole Saw 15 Sizes】 6/ 8/ 10/ 12/ 14/ 16/ 18/ 20/ 22/ 25/ 26/ 28/ 30/ 40/ 50 mm,to meet various demands
  • 【Wide Usage】Used on Drill Glass,Wood,Tile Bottles,Blocks Jars, Ceramic,Slate Mable, Granite Light Stone, and other hard surfaces
  • 【Attention】Please keep adding water when the diamond drill bits are working on the glass or ceramics.low drill pressure and increased use of water lubrication will extend drill bit life.