US No. 171L Busch Carbide Tapered Fissure (Cone) Long Bur | Busch No. 23L 012 – FG | Pack of 6
The carbide taper (cone) fissure dental bur from Busch & Co. GmbH is a precision-engineered cutting instrument designed for demanding restorative and operative dentistry applications. Offered in a convenient pack of 6, this bur delivers consistent performance across a range of clinical procedures.
Product Specifications
- Type: Carbide, Taper (Cone) Flat, Excavating and Fissure Bur
- ISO Standard Classification: ISO 500 314 171 006 012
- US No.: 171L
- Shank: FG (Friction Grip)
- Pack Quantity: 6 burs per pack
Key Features
This carbide taper (cone) fissure dental bur features a long taper (cone) flat geometry that facilitates precise excavation and fissure preparation. The carbide construction ensures durability and edge retention, allowing the clinician to work with accuracy and efficiency. Manufactured in Germany, this instrument reflects Busch & Co. GmbH's commitment to quality and engineering excellence.
Instrument Dimensions
| Head Ø | 1.2 mm (ISO size 012) |
|---|---|
| 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.
Applications
The primary application for this carbide taper (cone) fissure dental bur is cavity and fissure preparation. The long taper (cone) design provides enhanced depth control and access, making it well-suited for Class I and Class II cavity preparations where precision is critical.
The carbide taper (cone) fissure 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. |

FAQ
What shank type does this bur use? This bur is designed for FG (Friction Grip) high-speed handpieces, the standard in most modern dental operatories.
How many burs are included per pack? Each pack contains 6 individual carbide taper (cone) fissure dental bur units, offering excellent value for busy dental practices.
Is this bur ISO certified? Yes, it is classified under ISO 500 314 171 006 012, ensuring it meets internationally recognized standards for dental rotary instruments.
Compare With
| Manufacturer | Reference |
|---|---|
| Komet (Gebr. Brasseler) | H23L.314.012 |
| Brasseler USA | H23L.31.012 |
| Meisinger | HM23L-012-FG |
| SS White | 310149 |
| Alpen (Coltène) | R10171L |
Manufacturer literature: Busch catalogs and product brochures for this line are available in our Busch Burs Catalog Library.

