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Diamond Beveling Chamfer Bits, Countersink Drill Bits, 0"-3" (75mm), for Tile Marble Granite Existing Holes Chamfering, Countersinking, Enlarging, Trimming, 5/8"-11 Thread & 3/8" Hex Shank

KWD 13

All electronics ship with US style plugs. You may need a voltage converter or a plug adapter.
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Special Features

  • √【Function】Designed for chamfering, countersinking, hole enlarging, hole trimming, and grinding of hard brittle materials (tiles, quartz, marble, glass, granite, etc.). Note: For use on pre-existing holes only - not intended for drilling new holes. If it can't work properly, adjust equipment RPM based on purposes and material properties( Mohs hardness ), and select dry or wet grinding modes accordingly to prevent edge chipping.
  • √【Specification】 Maximum diameter: 3" (75mm), working diameter: 0"-3" (0-75mm), angle: 60°, total length: 2.9" (74mm), working depth: 2.5" (64mm), grit size: 80.
  • √【High usage rate】The tapered diamond drill bit works with diameters from 0-inch to 3-inch (75mm), eliminating the need for multiple drill bits to save time and money.
  • √【Tool Compatibility】5/8"-11 thread fits most angle grinders; In addition, it is equipped with a 3/8" hex shank adapter that can be connected with 5/8-11 thread, for compatibility with standard power drills. Note: Certain materials or applications have significant RPM requirements; insufficient RPM may cause drill bits wobbling and instability. Due to the lower RPM of power drills, priority use of angle grinders is recommended.
  • √【Technology】Utilizing braze-bonded diamond technology for high strength and long-lasting durability; diamond particles are directionally aligned to ensure uniform cutting force distribution, significantly reducing edge chipping rates; 80% diamond exposure height maximizes abrasive utilization, improving cutting efficiency by 40%; compatible with both dry and wet grinding applications.

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