Rondarui Diamond Drill Bits Hole Saw Kit Diamond Drill Bit Set Hole Saw for Glass, Marble, Granite Stone, Bottles, Ceramics and Tile 1/4"-1-1/3" (6mm-35mm),12PCS

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  • HIGH ADAPTABILITY & APPLICATIONS This glass drill bits has an overall length of 2-2.2" (50-55mm), with a universal round drill shank that can accommodate hand drills, cordless drills, bench drills and more.
  • HIGH EFFICIENCY & DURABILITY Our diamond drill bits for glass thickened emery design with uniform nickel plating. The surface of the drill bit set is smooth, the cutting resistance is greatly reduced, the large chip flute is smoother, and the durability and life are long.
  • WHAT WILL COME This gift for men comes with a nice hard plastic box and 12 hole saws in different sizes 1 4 in (6mm), 5 16 in (8mm), 3 8 in (10mm), 1 2 in (12mm), 9 16 in (14mm), 5 8 in (16mm), 11 16 in (18mm), 3 4 in (20mm), 7 8 in(22mm), 1 in (25mm), 1-1 8 in (30mm), 1-3 8 in (35mm).
  • WARM TIPS Before use, please position it at 45 degrees and then work vertically. And please keep adding water when the diamond hole saw bit is working on glass or ceramics. We give you a lifetime warranty, if you have any questions, please contact us through Amazon.

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