US No. 3/4 Busch Carbide Round Bur | Busch No. 1 007 – RA | Pack of 6
The carbide round rosehead dental bur is a precision-engineered rotary instrument designed for reliable performance in restorative and operative dentistry procedures. Manufactured by Busch & Co. GmbH in Germany, this bur delivers consistent cutting efficiency and durability across clinical applications.
Product Details
- Type: Carbide, Round, Rosehead
- Reference: 1 007 (US No. 3/4)
- Standard Classification: ISO: 500 204 001 001 007
- Pack Size: 6 burs per pack
- Shank Type: RA (Right Angle / Latch-Type)
- Origin: Made in Germany
Applications
The carbide round rosehead dental bur is well suited for the following clinical procedures:
The rosehead geometry of this carbide round rosehead dental bur provides smooth, controlled cutting action, reducing the risk of unnecessary tissue damage during preparation. The carbide construction ensures long-lasting sharpness and resistance to wear under demanding clinical conditions.
The carbide round rosehead dental bur is well-suited for the following clinical procedures:
| Cavity/Fissure Preparation — Opening, extending and shaping cavities and fissures with controlled removal of enamel and dentin. |
Instrument Dimensions
| Head Ø | 0.7 mm (ISO size 007) |
|---|---|
| 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.
German Engineering
Busch & Co. GmbH has a long-standing reputation for manufacturing high-quality dental rotary instruments. Each carbide round rosehead dental bur in this pack is produced to exacting standards, reflecting the precision and craftsmanship associated with German-made dental instruments.

FAQ
What shank type does this bur use? This bur features an RA (Right Angle / Latch-Type) shank, compatible with standard contra-angle handpieces.
How many burs are included? Each pack contains 6 burs.
What is the ISO classification for this bur? The ISO standard classification is 500 204 001 001 007.
What is the primary use of this bur? It is primarily used for cavity and fissure preparation in restorative dentistry.
Compare With
| Manufacturer | Reference |
|---|---|
| Komet (Gebr. Brasseler) | H1.204.007 |
| Brasseler USA | H1.21.007 |
| Meisinger | HM1-007-RA |
Manufacturer literature: Busch catalogs and product brochures for this line are available in our Busch Burs Catalog Library.

