BRSCHNITT Diamond Dry Drill Bit Vacuum Brazed 5pcs Dia 6/6/8/10/12mm Drilling Marble Granite Ceramic Round Shank Core Bit

Item: BRSCHNITT Diamond Dry Drill Bit Vacuum Brazed  5pcs Dia 6/6/8/10/12mm  Drilling Marble Granite Ceramic  Round Shank Core Bit Quantity:  5pcs Connection:Round Shank Grit:#50/60 Specification:  Diameter: 6/6/8/10/12mm Diamond Height 8mm,Total length 65mm Application:  For drilling granite & marble, masonry, concrete, tile/ceramic, glass, hard plastic..... Feature:  1.Cooling Wax,keeps the bits cool and lubricated,dry drilling without water; 2.High-quality Diamond Grains, fast and Smooth drilling，provides a better finish; 3.Vacuum Brazed diamond technology provide very high efficiency;                    4.The top spiral groove design of the drill bit, helps to drain chips. NOTE:Don't use  impact or hammer mode.