US No. 699L Busch Carbide Tapered Fissure (Cone) Long Bur | Busch No. 33L 009 – Crosscut – FG | Pack of 6

The carbide taper (cone) fissure dental bur 33L 009 (US No. 699L) from Busch & Co. GmbH is a precision-engineered long-shank instrument designed for demanding restorative and operative dentistry procedures. Manufactured in Germany to rigorous quality standards, this bur delivers consistent cutting performance and reliable results across a wide range of clinical applications.

Product Specifications

• Type: Carbide, Taper (Cone) Flat, Excavating and Fissure Bur
• Shank: FG (Friction Grip), Long
• ISO Classification: 500 314 171 007 009
• US Number: 699L
• Pack Size: Pack of 6

Design and Construction

As a carbide taper (cone) fissure dental bur, this instrument features a taper (cone) flat head geometry that is well-suited for creating precise, clean cavity preparations. The tungsten carbide construction ensures exceptional hardness and edge retention, allowing the bur to maintain sharpness through extended clinical use. The long shank design provides improved access and visibility in posterior regions of the oral cavity.

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.

Applications

This carbide taper (cone) fissure dental bur is indicated primarily for cavity and fissure preparation, enabling the clinician to efficiently remove carious tissue and shape the preparation walls with accuracy. Its taper (cone) flat profile supports controlled removal of tooth structure while minimizing trauma to surrounding tissues.

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.

Made in Germany

Busch & Co. GmbH has a longstanding tradition of manufacturing high-quality dental rotary instruments in Germany. Each carbide taper (cone) fissure dental bur in this pack reflects that heritage of precision craftsmanship and quality assurance.

FAQ

What shank type does the 33L 009 use? This bur uses an FG (Friction Grip) long shank, compatible with standard high-speed handpieces.

What is the ISO classification for this bur? The ISO classification is 500 314 171 007 009.

How many burs are included per pack? Each pack contains 6 burs, offering excellent value for busy dental practices.

Compare With

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