US No. 55 Busch Carbide Straight Fissure (Cylinder) Bur | Busch No. 21 008 – FG | Pack of 6
The carbide cylinder fissure dental bur from Busch & Co. GmbH is a precision-engineered rotary instrument designed for demanding restorative and operative dentistry procedures. Built to exacting German manufacturing standards, this bur delivers consistent, controlled cutting performance in clinical environments where accuracy is non-negotiable.
Product Specifications
- Type: Carbide, Cylinder Flat, Excavating and Fissure Bur
- Item Number: 21 008 (US No. 55)
- Shank Type: FG (Friction Grip)
- ISO Classification: 500 314 107 006 008
- Pack Size: 6 burs per pack
Applications
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
| Head Ø | 0.8 mm (ISO size 008) |
|---|---|
| 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.
Why Choose This Bur
Manufactured in Germany by Busch & Co. GmbH, this carbide cylinder fissure dental bur upholds the quality benchmarks associated with German dental instrumentation. The carbide construction provides durability and edge retention across multiple uses, while the cylinder flat geometry ensures flat-floor preparations and well-defined cavity walls. The FG friction grip shank is compatible with standard high-speed handpieces used in modern dental practices.
Each pack contains 6 burs, offering a cost-effective supply for busy clinical settings. The consistent dimensional accuracy of each bur, as defined by the ISO 500 314 107 006 008 standard, ensures predictable clinical outcomes.
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 per pack? Each pack contains 6 carbide cylinder fissure dental burs.
What is the ISO classification for this bur? The ISO classification is 500 314 107 006 008.
Compare With
| Manufacturer | Reference |
|---|---|
| Komet (Gebr. Brasseler) | H21.314.008 |
| Brasseler USA | H21.31.008 |
| Meisinger | HM21-008-FG |
Manufacturer literature: Busch catalogs and product brochures for this line are available in our Busch Burs Catalog Library.
US No. 55 Busch Carbide Straight Fissure (Cylinder) Bur | Busch No....
