US No. 10 Busch Carbide Round Bur | Busch No. 1 027 – RA | Pack of 2
The round carbide dental bur from Busch & Co. GmbH is a precision-engineered rotary instrument designed for reliable and consistent performance in clinical restorative dentistry. Catalogued under ISO classification 500 204 001 001 027, this instrument meets standardized dimensional and geometric specifications, ensuring compatibility with a broad range of handpiece systems and procedural requirements.
Product Overview
This round carbide dental bur features a rosehead (RA shank) configuration with a round cutting head profile. Carbide construction provides excellent cutting efficiency and edge retention across repeated use cycles, making it a dependable choice for dental professionals who demand consistent results.
Key Specifications
- Type: Carbide, Round, Rosehead (RA shank)
- US Number: No. 10 (1 027)
- ISO Classification: 500 204 001 001 027
- Pack Quantity: Pack of 2
- Manufacturer: Busch & Co. GmbH — Made in Germany
Instrument Dimensions
| Head Ø | 2.7 mm (ISO size 027) |
|---|---|
| Shank | RA / CA (Contra-Angle, latch) — 2.35 mm Ø, 22 mm overall length (ISO 204) |
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.
Applications
The round carbide dental bur is well suited for cavity and fissure preparation, where controlled material removal and precise shaping are essential. Its round geometry allows clinicians to establish retentive features and access carious tissue with accuracy.
- Cavity and fissure preparation
- Initial caries access
- Retentive point preparation
Manufactured in Germany by Busch & Co. GmbH, this round carbide dental bur reflects the quality standards that dental professionals have trusted for decades. Each pack contains two burs, providing practical value for busy clinical environments.

FAQ
What shank type does this bur use? This bur features an RA (Rosehead/Right Angle) shank, compatible with standard slow-speed contra-angle handpieces.
What is the ISO classification for this bur? The ISO classification is 500 204 001 001 027, corresponding to US bur number 10.
How many burs are included per pack? Each pack contains 2 burs.
Compare With
| Manufacturer | Reference |
|---|---|
| Komet (Gebr. Brasseler) | H1.204.027 |
| Brasseler USA | H1.21.027 |
| Meisinger | HM1-027-RA |
| Edenta | C1.204.027 |
Manufacturer literature: Busch catalogs and product brochures for this line are available in our Busch Burs Catalog Library.

