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Premium Ultra Metal & Crown Cutters - 557 Dental Bur

Short Description:

Ultra Metal & Crown Cutters：
Metal and crown ultra cutters are dental carbide burs specially made for different purposes including: Implants processing, amalgam and crown removal, rapid crown and bridge preparation, working on fillings and gross reduction.
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    Boyue proudly presents our 557 dental bur collection, meticulously engineered for superior dental procedures. Our high-quality Ultra Metal & Crown Cutters Dental Bur are designed to meet the highest standards of dental professionals, ensuring precision, durability, and exceptional performance in every use. ◇◇ Product Features ◇◇ Our 557 dental bur products are manufactured using the finest ultra metal, guaranteeing long-lasting sharpness and reliability. These crown cutters are perfect for crown preparation, shaping, and finishing, providing seamless results with every cut. The ergonomic design ensures comfortable handling and control during intricate dental procedures. ◇◇ Advanced Innovation and Craftsmanship ◇◇ At Boyue, innovation and craftsmanship are at the forefront of our product development. Our 557 dental bur tools undergo rigorous testing and quality checks to ensure they not only meet but exceed industry standards. The ultra metal construction offers unparalleled strength and resistance, making these dental burs a trusted choice for both routine and complex dental procedures. ◇◇ Precision and Performance ◇◇

    ◇◇ Product parameters ◇◇

    Cat.No. FG-K2R FG-F09 FG-M3 FG-M31
    Description Football Flat end tape Round end taper
    Head Length 4.5 8 8 8
    Head Size 023 016 016 018

    ◇◇ Dental ultra cutters ◇◇

    1. Dental metal and crown ultra cutting burs are FG carbide burs made of single-piece tungsten carbide material that last longer and feature high accuracy and excellent cutting experience.

    ◇◇ Boyue Adantages ◇◇

    1. All CNC machine lines, each customer has a special CNC database to ensure stable product quality
    2. All products are tested for welding fastness
    3. Technical support and email-reply will be provided within 24 hours when quality issue occurs
    4. If quality issue occurs, new products will be delivered for free as compensation
    5. accept all package requirements;
    6. Special tungsten carbide burrs could be customized according to the actual needs of customers
    7.DHL ,TNT, FEDEX as long-term partners, delivered within 3-7 working day

    ◇◇ Dental Burs Type Choose ◇◇

    The high-performance tungsten carbide rotary burrs provide maximum cutting edge stability with a simultaneous high tenacity of the cutting edge.

    BOYUE Tungsten Carbide Burr are ideal for shaping, smoothing and material removal. The tungsten ones are used on hardened steel, stainless steel, cast iron, nonferrous metals, fired ceramics, plastic, hard wood, especially on hard materials whose hardness can be above HRC70. To de-bur, break edges, trim, pro-cess welding seams, surface processing.

    The product has long time operation life and its application range is widely, you can use different shape product according to your application. Use higher speeds for hard woods, slower speeds for metals and very slow speeds for plastics ( to avoid melting at the point of contact).

    The tungsten carbide burrs are mainly driven by hand electric tools or pneumatic tools (also can be used on machine tool). The rotary speed is 8,000-30,000rpm;

    ◇◇ Tooth Type Choice ◇◇

    Aluminum cut burrs are for use on nonferrous and nonmetallic materials. It is designed for rapid stock removal with minimum chip loading.


    Chip Breaker cut burrs will reduce sliver size and improve operator control at a slightly reduced surface finish.


    Coarse Cut burrs are recommended for use on soft material such as copper, brass, aluminum, plastics, and rubber, where chip loading is a problem.


    Diamond Cut burrs are very effective on heat treated and tough alloy steels. They produce very small chips and good operator control.Surface finish and tool life is reduced.


    Double Cut: Chip size is reduced and tool speed can be slower than normal speeds. Allows for rapid stock removal and better operator control.


    Standard Cut: A general purpose tool designed for cast iron, copper, brass and other ferrous materials. It will give good material removal and good work piece finishes.



    Boyue's 557 dental burs are designed with precision in mind. The unique cutting-edge technology ensures smooth and efficient cutting, reducing procedure time and enhancing patient comfort. These dental burs are compatible with a wide range of handpieces, making them versatile additions to any dental practice. Whether you're preparing a crown, shaping restorative materials, or finishing delicate dental structures, our 557 dental bur collection provides the accuracy and efficiency needed for exceptional dental work. Trust Boyue's commitment to quality and innovation, and elevate your practice with our premium dental burs.