BRSCHNITT Dry Double-Ended Diamond Drill Core Bit 1/2/5pcs Dia 6-6mm 6-8mm Granite Marble Masonry Tile Ceramic Vaccum Brazed How Saw

Item: Vaccum Brazed Diamond Double-Ended Dry Drilling Bits  Quantity:  1pc or 2pcs or 5pcs Grit #45/50 Connection:Hex Shank Specification:  Diameter 6-6mm,6-8mm,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.