Concave Cylinder Drill Bit

Diamond Concave Cylinder Drill Bits & Grinding Heads for Bead Bracelet Jewelry is aPrecision diamond-coated tools for drilling and grinding beads, gemstones, and jewelry components. Ideal for bracelet crafting (Beadwork) and spiritual jewelry repair.


  • 16mmx6mm 5pcs Coarse Grit Bracelet and Ring Concave Diamond Drill Bit

    16mmx6mm 5pcs Coarse Grit Bracelet and Ring Concave Diamond Drill Bit

    16mmx6mm 5pcs Coarse Grit...

    The Bracelet and Ring Concave Cylinder Head Diamond Burs are precision tools designed for shaping, hollowing, and refining curved surfaces in jewelry components such as bracelets, rings, and pendant…
    $30.00
  • 16mmx9mm 5pcs Coarse Grit Bracelet and Ring Concave Diamond Drill Bit

    16mmx9mm 5pcs Coarse Grit Bracelet and Ring Concave Diamond Drill Bit

    16mmx9mm 5pcs Coarse Grit...

    The Bracelet and Ring Concave Cylinder Head Diamond Burs are precision tools designed for shaping, hollowing, and refining curved surfaces in jewelry components such as bracelets, rings, and pendant…
    $30.00
  • 18mmx8mm 5pcs Coarse Grit Bracelet and Ring Concave Diamond Drill Bit

    18mmx8mm 5pcs Coarse Grit Bracelet and Ring Concave Diamond Drill Bit

    18mmx8mm 5pcs Coarse Grit...

    The Bracelet and Ring Concave Cylinder Head Diamond Burs are precision tools designed for shaping, hollowing, and refining curved surfaces in jewelry components such as bracelets, rings, and pendant…
    $30.00
  • 18mmx9mm 5pcs Coarse Grit Bracelet and Ring Concave Diamond Drill Bit

    18mmx9mm 5pcs Coarse Grit Bracelet and Ring Concave Diamond Drill Bit

    18mmx9mm 5pcs Coarse Grit...

    The Bracelet and Ring Concave Cylinder Head Diamond Burs are precision tools designed for shaping, hollowing, and refining curved surfaces in jewelry components such as bracelets, rings, and pendant…
    $35.00
  • 20mmx10mm 5pcs Coarse Grit Bracelet and Ring Concave Diamond Drill Bit

    20mmx10mm 5pcs Coarse Grit Bracelet and Ring Concave Diamond Drill Bit

    20mmx10mm 5pcs Coarse...

    The Bracelet and Ring Concave Cylinder Head Diamond Burs are precision tools designed for shaping, hollowing, and refining curved surfaces in jewelry components such as bracelets, rings, and pendant…
    $30.00
  • 20mmx10mm 5pcs Coarse Grit Bracelet and Ring Concave Diamond Drill Bit

    20mmx10mm 5pcs Coarse Grit Bracelet and Ring Concave Diamond Drill Bit

    20mmx10mm 5pcs Coarse...

    The Bracelet and Ring Concave Cylinder Head Diamond Burs are precision tools designed for shaping, hollowing, and refining curved surfaces in jewelry components such as bracelets, rings, and pendant…
    $30.00
  • 20mmx10mm 5pcs Coarse Grit Bracelet and Ring Concave Diamond Drill Bit

    20mmx10mm 5pcs Coarse Grit Bracelet and Ring Concave Diamond Drill Bit

    20mmx10mm 5pcs Coarse...

    The Bracelet and Ring Concave Cylinder Head Diamond Burs are precision tools designed for shaping, hollowing, and refining curved surfaces in jewelry components such as bracelets, rings, and pendant…
    $30.00
  • 20mmx10mm 5pcs Fine Grit Bracelet and Ring Concave Diamond Drill Bitmond Drill Bit

    20mmx10mm 5pcs Fine Grit Bracelet and Ring Concave Diamond Drill Bitmond Drill Bit

    20mmx10mm 5pcs Fine Grit...

    The Bracelet and Ring Concave Cylinder Head Diamond Burs are precision tools designed for shaping, hollowing, and refining curved surfaces in jewelry components such as bracelets, rings, and pendant…
    $30.00
  • 20mmx10mm 5pcs Medium Grit Bracelet and Ring Concave Diamond Drill Bit

    20mmx10mm 5pcs Medium Grit Bracelet and Ring Concave Diamond Drill Bit

    20mmx10mm 5pcs Medium...

    The Bracelet and Ring Concave Cylinder Head Diamond Burs are precision tools designed for shaping, hollowing, and refining curved surfaces in jewelry components such as bracelets, rings, and pendant…
    $30.00
  • 20mmx12mm 5pcs Coarse Grit Bracelet and Ring Concave Diamond Drill Bit

    20mmx12mm 5pcs Coarse Grit Bracelet and Ring Concave Diamond Drill Bit

    20mmx12mm 5pcs Coarse...

    The Bracelet and Ring Concave Cylinder Head Diamond Burs are precision tools designed for shaping, hollowing, and refining curved surfaces in jewelry components such as bracelets, rings, and pendant…
    $30.00
  • 20mmx12mm 5pcs Fine Grit Bracelet and Ring Concave Diamond Drill Bitmond Drill Bit

    20mmx12mm 5pcs Fine Grit Bracelet and Ring Concave Diamond Drill Bitmond Drill Bit

    20mmx12mm 5pcs Fine Grit...

    The Bracelet and Ring Concave Cylinder Head Diamond Burs are precision tools designed for shaping, hollowing, and refining curved surfaces in jewelry components such as bracelets, rings, and pendant…
    $30.00
  • 20mmx12mm 5pcs Medium Grit Bracelet and Ring Concave Diamond Drill Bit

    20mmx12mm 5pcs Medium Grit Bracelet and Ring Concave Diamond Drill Bit

    20mmx12mm 5pcs Medium...

    The Bracelet and Ring Concave Cylinder Head Diamond Burs are precision tools designed for shaping, hollowing, and refining curved surfaces in jewelry components such as bracelets, rings, and pendant…
    $30.00

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