TLILY 130mm/5Inch Diamond Drill Bits Hole Saw Hollow Core for Glass Ceramic Porcelain Tiles Marble Quartz

Quality Selection: These diamond drill bits are made of high 45 steel which is high quality and . With a nickel-plated coated body to resist corrosion, which has a long service life. Large chip holes to that when the punching smooth, punching accurate. Smoothly Cutting: A thicken diamond dust coating on the tops offers superior cutting strength for creates a high precision, smooth cut with no broken edges. Reduced drill speeds, low drill pressure, and increased use of water lubrication extend drill bit life considerably. Multiple Applications: The diamond drill bit can remove a complete 130mm diameter hole on glass, tiles, , ceramic. In addition to cutting holes for glass, the Hole Saw comes in handy for tile bottles, blocks jars, fiberglass, porcelain tile, ceramic, , marble, light stone. Not for use on Concrete or for depths beyond about 1/2inch. Specification: Finish: Nickel-plated Colour:Silver Material:Diamond+45 steel Size:130mm Package Contents: 1* diamond drill bit How to Use: