Busch Ziramant Taper (Cone) Round Bur | Busch No. 6855Z 025 – Coarse Grit, Green Ring – FG-LG | Pack of 2

The diamond bur for zirconia ceramic from Busch & Co. GmbH — the 6855Z 025 FG-LG Ziramant Coarse — is a precision-engineered rotary instrument designed specifically for the demanding requirements of zirconia and ceramic restorations. Featuring a taper (cone) round geometry with a special diamond coating in a coarse/very coarse grit, this instrument delivers efficient, controlled material removal where consistent results matter most.

Product Specifications

• Shape: Taper (Cone) Round
• Coating: Special Diamond Coating — Coarse / Very Coarse
• Series: Ziramant
• ISO Classification: 806 315 197 535 025
• Pack Size: Pack of 2

Applications

The diamond bur for zirconia ceramic is well-suited for the following dental laboratory applications:

	Crown and Bridge Technology — Shaping, trimming and finishing of crown and bridge frameworks in the laboratory.
	Processing of Zirconium Oxide — Cutting, contouring and finishing of zirconium oxide restorations.

Instrument Dimensions

Per ISO 6360, the size number is the maximum head diameter in tenths of a millimeter. See our Busch Bur Size Chart for the full size conversion table, shank codes, and color ring guide.

Why Choose the Ziramant Series?

Busch & Co. GmbH has developed the Ziramant line as a dedicated diamond bur for zirconia ceramic work, addressing the unique challenges posed by high-strength ceramics. The special diamond coating ensures longevity and consistent cutting performance throughout the instrument's service life. Manufactured in Germany, these instruments reflect a commitment to quality and engineering precision that dental professionals rely on.

Whether you are working chairside or in a dental laboratory, the 6855Z 025 represents a reliable, professional-grade choice as a diamond bur for zirconia ceramic applications. The pack of 2 ensures you have a ready backup for uninterrupted workflow.

FAQ

What handpieces are compatible with this instrument? It has an FG (friction grip) shank in a long version, fitting standard high-speed turbine handpieces while providing extended reach.

What does the green ring indicate? The green colour ring identifies coarse grit under the ISO colour-coding system for diamond instruments.

How many are included per pack? Each pack contains 2 burs.

Where is this instrument made? It is manufactured by Busch & Co. in Engelskirchen, Germany, an ISO 13485-certified specialist in rotary precision instruments since 1905.