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Needle Shape

Diamond Drill Bits

 Needle  Shape

Diamond needle drill bits coated in lapidary solid bits are specialized tools designed for intricate jewelry making processes involving materials like agate and jade. These bits are tailored for creating small holes in jewelry components such as necklaces, earrings, pendants, and bracelets.

To optimize their performance, it's recommended to use pliers to cut off a small portion before using them. If the bit doesn't feel sharp during drilling, it's suggested to drill the grinding wheel (iron grinding wheel) to sharpen it. Shortening the needle can enhance its sharpness and efficiency.

The drilling process involves fixing the positioning hole on both sides of the bead and then gradually clipping a little longer while drilling directly. These bits are typically compatible with special high-speed drilling machines, and it's crucial to operate them under specific conditions for optimal results:

  1. Use a high-speed drilling machine with a speed above 5000 RPM.

  2. Employ waterproof cooling during the drilling process to prevent overheating.

  3. Apply appropriate pressure, ensuring a balance between light pressure and more controlled advance and retreat movements.

  4. Avoid excessive force, as it can lead to breakage of the delicate needle drill bit.

These Diamond needle drill bits are delicate yet essential tools for precise and intricate jewelry making processes, allowing artisans to create finely detailed pieces from materials like agate and jade. Their usage requires careful handling and adherence to recommended operating conditions to achieve accurate and clean perforations without damaging the materials.

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