US No. 59 Busch Carbide Straight Fissure (Cylinder) Bur | Busch No. 21 014 – RA | Pack of 6

The carbide cylinder fissure dental bur from Busch & Co. GmbH is a precision-engineered rotary instrument built for demanding restorative and operative dentistry procedures. Manufactured to exacting German standards, this bur delivers consistent, reliable performance across a wide range of clinical applications.

Product Details

Classified as a Carbide Cylinder Flat Excavating and Fissure Bur, this instrument features geometry optimized for efficient material removal and clean cavity preparation — making it an essential tool in any professional dental practice.

• Type: Carbide Cylinder Flat Fissure Bur
• US Number: 59
• ISO Classification: 500 204 107 006 014
• Pack Quantity: 6 burs per pack
• Shank Type: RA (Right Angle / Latch-Type)

Clinical Applications

The carbide cylinder fissure dental bur is specifically engineered for the following clinical use:

• Cavity/Fissure Preparation — Ideal for precise excavation and preparation of fissures and cavities with controlled, efficient cutting action.

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 This Bur?

As a high-performance carbide cylinder fissure dental bur, this instrument offers superior hardness and longevity compared to standard steel burs. The cylinder flat geometry ensures flat-floored cavity preparations, promoting ideal restoration seating and marginal integrity. The RA (Right Angle / Latch-Type) shank is fully compatible with standard slow-speed contra-angle handpieces. Each bur in this six-pack is manufactured to consistent tolerances for predictable clinical outcomes. Manufactured in Germany, this bur reflects the quality and precision that Busch & Co. GmbH is renowned for worldwide.

FAQ

What is the ISO classification for this bur? The ISO classification is 500 204 107 006 014.

How many burs are included per pack? Each pack contains 6 individual burs.

What shank type does this bur use? This bur features an RA (Right Angle / Latch-Type) shank, compatible with standard slow-speed contra-angle handpieces.

What procedures is the carbide cylinder fissure dental bur suited for? It is primarily indicated for cavity and fissure preparation, offering efficient excavation and clean cutting in restorative dentistry workflows.

Compare With

Manufacturer literature: Busch catalogs and product brochures for this line are available in our Busch Burs Catalog Library.