Diamond Drill Bit Set for Tile and Stone, 5 Pieces, Hex Shank

<p>This 5-piece diamond drill bit set is made for drilling holes in tile, stone, and glass. The set includes three 6mm bits, one 8mm bit, and one 10mm bit, and each shank is marked with its size.</p><ul><li>Vacuum-brazed diamond heads bonded firmly to a steel core for long life</li><li>Cooling wax inside each head for dry drilling without water</li><li>Hexagonal 9.35mm (0.37") shank that fits drill chucks and resists slipping</li><li>Head diameters: 6mm (1/4"), 8mm (5/16"), and 10mm (3/8")</li><li>Length: 66mm (2.6") for the 6mm bits and 80mm (3.15") for the 10mm bit</li></ul><p>Use them on granite, marble, masonry, concrete, ceramic tile, and glass with a vertical electric drill or a compatible hand drill.</p><p>Each unit is one set of five drill bits.</p>

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