BRSCHNITT Diamond Dry Drill Bit Vacuum Brazed 5pcs or 10pcs Dia 6/8/10/12/14mm Drilling Marble Granite Ceramic Round Shank Core Bit

Item: Vaccum Brazed Diamond Round Shank Drilling Bit Quantity:  5pcs or 10pcs Connection:Round Shank Grit:#50/60 Specification:  diameter 6mm, 8mm,10mm,12mm,14mm,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.