BRSCHNITT Diamond Dry Drill Bit 1/2/5pcs Dia 6/8/10/12/14mm Drilling Ceramic Marble Granite Vacuum Brazed Hex Shank Core Bit

Item: Vaccum Brazed Diamond Dry Drilling Bits for Marble Granite.... Quantity:  1pc or 2pcs or 5pcs Grit #45/50 Connection:Hex Shank Specification:  Diameter 6mm,Diamond height 10mm,Total length 68mm Diameter 8/10/12/14mm,Diamond height 10mm,Total length 80mm Application: 1.Used for drilling granite, marble, masonry, concrete, tile/ceramic and other materials; 2.Fit with electric hand drill. 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 Technology, less debris，high efficiency and durability. Note:  If you order more than 20pcs of same specification,we could mark your LOGO on our products.Please contact us first.