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

The carbide cylinder fissure dental bur from Busch & Co. GmbH is a precision-engineered rotary cutting instrument designed for exacting restorative and operative dentistry procedures. Manufactured in Germany, this bur delivers consistent, reliable performance in clinical environments that demand accuracy and longevity.

Product Specifications

• Type: Carbide, Cylinder Flat, Excavating and Fissure Bur
• US Number: 59 (21 014)
• Shank: FG (Friction Grip)
• ISO Classification: 500 314 107 006 014
• Pack Quantity: 6 burs per pack

Applications

This carbide cylinder fissure dental bur is specifically suited for cavity and fissure preparation, making it an essential instrument for practitioners performing Class I and Class II restorations. The flat-end cylinder geometry provides clean, parallel walls and flat floors, supporting precise cavity design and efficient tissue removal.

The carbide cylinder 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.

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 true carbide cylinder fissure dental bur, this instrument benefits from the superior hardness and cutting efficiency of carbide construction. German engineering ensures dimensional consistency across each bur in the pack, reducing chair time and supporting predictable outcomes. The FG shank is compatible with standard high-speed handpieces used in modern dental operatories.

FAQ

What shank type does this bur use? This bur features an FG (Friction Grip) shank, compatible with standard high-speed dental handpieces.

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

What is the ISO classification for this bur? The ISO standard classification is 500 314 107 006 014.

Is this a genuine carbide cylinder fissure dental bur? Yes, it is a carbide-tipped cylinder flat fissure bur, manufactured by Busch & Co. GmbH in Germany to rigorous quality standards.

Compare With

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