Set of 30 3mm (1/8") Rotary Diamond Burs for Polishing, Drilling and Carving

Diamond Drill Bit Set: You will receive a set of 30 diamond drill bits, with a shank diameter of 3mm and different shapes (torch, cylinder, tip, ball, etc.), to meet your needs. High-quality material: The diamond drill bit is made of high-quality diamond sand with uniform surface, high hardness and good durability. It is not easy to fall during use, does not pollute dust, and is safe and reliable. Convenient Packaging: The diamond needle set is packaged in a plastic box with a transparent lid for easy viewing. Integrated foam mounting plates securely hold each component in the case, preventing loosening, making storage and loss easier. Electroplating process: Diamond grinding needles use the electroplating process to embed diamond particles into the drill bit to form a diamond layer.In the electroplating process, the diamond particles are gradually coated with nickel under the action of the electric field, which improves the durability and usability of the grinding needle.

Wide range of uses: Diamond needles are widely used for engraving, cutting, polishing, etc. They are ideal for grinding and polishing jade and are more efficient due to their high precision and high output. They can also be used for precision grinding of materials such as alloys, ceramics, glass, graphite, stone, as well as finishing of welded parts, and are suitable for various precision grinding and polishing operations.

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