【Material】: Diamond hole saw is made of carbon steel and coated with nickel to resist corrosion; Diamond drill bit creates a high precision, smooth cut with no broken edges; Reduced drill speeds, low drill pressure and increased use of water lubrication will extend drill bit life considerably
【Features】: Opening neat-smooth, no broken edge, no tremor phenomenon, incision resistance is small and the hole speed is very fast, easy chip evacuation; Operation of the tile hole saw: Start the hole diagonally, make a round braid and then hold drill straight
【Applications】: Diamond hole saw drill bit removes a complete circle from glass, marble, tiles,granite, ceramic or other; Perfect for drilling glass, porcelain tile, granite, bottles, Wood, Blocks Jars, ceramic marble and and other hard surfaces etc.; Note:When you using the diamond hole saw, please use lubrication (water), lubrication will extend drill bits life
【Guarantee】: We promise provide satisfied service for every client, if you have any question with the product, please contact us in time, we will solve the problem for you in 24 hours