HARFINGTON Diamond Beveling Chamfer Bits 83mm Dia 5/8-11 Thread Cone Grinder Bit with Adapter, Countersink Drill Bit to Enlarge Holes for Porcelain Tile, Marble, Ceramic, Glass, Stones

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About This Size - Diameter: 38 mm / 1.5 inch; Thread model: 5/8" - 11; Total length: 85 mm / 3.3 inch; Working depth: 32 mm / 1.3 inch; Cutting angle string: 60 degrees; Diamond Gr its: 80 grits. Enlarging Bits - This diamond beveling chamfer bit is used to enlarge, shape or trim the existing holes to create a better appearance on porcelain tile, marble, ceramic, glass, and stone. Diamond Head - The grinding head is made of diamond, which has the strongest type of chemical bond for high hardness, is chemically resistant, and durable for a long time. Efficient Tool - The high hardness diamond head makes the grinding efficiency higher to save more time, a great chamfering tool for professionals and home DIY. Note - This diamond countersink bit cannot be used for drilling, please pre-drill holes before using this diamond bit to enlarge or trim the holes. Overview Material : Diamond Shank Type : hexagon Brand : HARFINGTON Tool Flute Type : Straight Unit Count : 1.0 Count Show more