DT-DIATOOL Diamond Beveling Chamfer Bits - Diamond Countersink Drill Bit 1-3/8 Inch with Hex Shank for Enlarging Trimming Shaping Existing Holes of Granite Marble Porcelain Tiles,Size of 2mm to 35mm
Diameter 1 3/8" (35MM);Workable length 35mm;Total Length 65mm.Chamfer angle: top angle 53 degree; Grit:#80/#100. With the Hex shank,used on hand drill. Recommend RPM: 2000-5000RPM.
Not for drilling holes, but designed to enlarge, shape, polish, clean, trim, finish, round or bevel existing rough holes of marble ceramic porcelain tiles granite.
Diamond grit #80/100 is sharper. It helps to reduce the risk of tile cracking when under tension; Wet or dry use.
Vacuum brazing technology keeps premium diamonds more firmly and durable. best work effect and longer life.
As a saving-money tool,just one standard core bit and this versatile milling bit/diamond cones beveling bit,many holes of different sizes can be created from 0-2 Inch.
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