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MI 8889 007 FG micro prep diamond dental bur fine grit flame shape red ring cavity preparation pack of 2

Fine Diamonds | Red Ring

Fine diamonds — red ring — for finishing, margin refinement, and controlled surface improvement after preparation. Every diamond in this collection carries its grit and ring color directly in the product title, matched to ISO grit code 51x.

The red ring refines what coarse grits created: smoother margins, cleaner line angles, surfaces ready for extra-fine or polish. Busch codes fine figures with an 8-prefix (8856 = fine 856).

Dental Instruments, Tools, Burs, Diamonds and Polishers Made In Germany

FAQ

What does the red ring indicate? Fine grit under the standardized diamond color-coding system — see the color guide linked below for the full ladder.

When do I switch to the red ring? After bulk preparation — use the same figure in fine to refine margins without changing your geometry.

Where are these diamonds made? Every instrument in this collection is manufactured by Busch & Co. in Engelskirchen, Germany — an ISO 13485-certified specialist in rotary precision instruments since 1905 — and ships fast from our US warehouse.

Reference resources: Bur Comparison Chart · Speed Chart · Color Coding & ISO Guide · Glossary
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  • Fast & Secure Shipping

    Fast and secure delivery from Germany and our US warehouse to your door.

  • Manufactured in Germany

    Crafted by skilled professionals in Germany for unmatched longevity.

  • Trusted by Experts

    Preferred and trusted by dental professionals across the globe.

  • Legacy of Excellence

    A tradition of innovation and craftsmanship since 1905 (Busch) and 1921 (Zepf).

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