US No. 1157 Busch Carbide Straight Fissure (Cylinder) Round Bur | Busch No. 21R 010 – FG | Pack of 6
The carbide cylinder round fissure dental bur 21R 010 (US No. 1157) by Busch & Co. GmbH is a precision-engineered instrument designed for reliable excavating and fissure preparation in daily clinical practice. Manufactured to exacting German standards, this bur delivers consistent cutting performance across a wide range of restorative procedures.
Product Overview
Classified as a Carbide, Cylinder Round, Excavating and Fissure Bur, this instrument conforms to ISO standard 500 314 137 006 010. The carbide cylinder round fissure dental bur format provides a parallel-sided cutting surface that is well suited to controlled cavity preparation, allowing clinicians to maintain precise wall geometry throughout the procedure.
Applications
The carbide cylinder round fissure dental bur is well-suited for the following clinical procedures:
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Cavity/Fissure Preparation — Opening, extending and shaping cavities and fissures with controlled removal of enamel and dentin. |
Key Features
- Carbide construction for durability and extended cutting efficiency
- Cylinder round head geometry for parallel cavity walls
- ISO Classification: 500 314 137 006 010
- Compatible with FG (friction grip) handpieces
- Sold in a convenient pack of 6
- Made in Germany
Instrument Dimensions
| Head Ø | 1.0 mm (ISO size 010) |
|---|---|
| Shank | FG (Friction Grip) — 1.60 mm Ø, 19 mm overall length (ISO 314) |
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.
FAQ
What handpiece is this bur compatible with? This bur is designed for use with FG (friction grip) high-speed handpieces, which are standard in most dental operatories.
What does the ISO classification 500 314 137 006 010 indicate? The ISO number defines the bur's shape, material, shank type, head diameter, and working length, ensuring consistent identification and interchangeability across manufacturers.
How many burs are included per pack? Each pack contains 6 individual carbide cylinder round fissure dental burs, providing clinical efficiency and cost-effectiveness for busy practices.
Compare With
| Manufacturer | Reference |
|---|---|
| Komet (Gebr. Brasseler) | H21R.314.010 |
| Brasseler USA | H21R.31.010 |
| Meisinger | HM21R-010-FG |
| SS White | 310198 |
| NTI (Kerr Rotary) | FG1157-KC0 |
| Alpen (Coltène) | R101157 |
| Karl Schumacher | BCO1157F |
Manufacturer literature: Busch catalogs and product brochures for this line are available in our Busch Burs Catalog Library.
US No. 1157 Busch Carbide Straight Fissure (Cylinder) Round Bur | B...
