BRSCHNITT Diamond Drilling Core Bits Vacuum brazed 4pcs/set Dia 20mm/25mm/35mm/ 50mm Porcelain Ceramic Tile Granite Marble How Saw

Item: Vacuum brazed diamond drilling bits for porcelain granite Quantity: 4pcs Connection:Triangle Shank Grit #40/45 Specification:  Diameter 20mm,25mm,35mm,50mm Total length 65mm, Diamond height 10mm Application:  Drilling for porcelain ceramic tile, granite, marble ... Features: 1.Triangular handle design,more stable clamping and more stable drilling; 2.High-quality Diamond Grains, fast and Smooth drilling，provides a better finish; 3.Vacuum brazing technology,high efficiency and faster drilling speed. NOTE: 1.Don't use  impact or hammer mode;