US No. 559 Busch Carbide Straight Fissure (Cylinder) Bur | Busch No. 31 014 – Crosscut – 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. Manufactured in Germany to exacting standards, this bur delivers consistent, reliable cutting performance in clinical environments where accuracy is paramount.
Product Specifications
- Type: Carbide, Cylinder Flat, Excavating and Fissure Bur
- US No.: 559
- Item Reference: 31 014
- Standard Classification (ISO): 500 314 107 007 014
- Shank: FG (Friction Grip)
- Pack Quantity: 6 burs per pack
Applications
This carbide cylinder fissure dental bur is engineered for precision in the following clinical 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 | 1.4 mm (ISO size 014) |
|---|---|
| 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
As a trusted carbide cylinder fissure dental bur, the Busch 31 014 offers the dimensional accuracy and longevity that clinicians expect from German-engineered dental instrumentation. The carbide construction ensures durability through repeated use, while the flat cylinder head geometry supports precise cavity preparation with flat floors and parallel walls.

FAQ
What shank type does this bur use? This bur features an FG (Friction Grip) shank, compatible with standard high-speed handpieces.
How many burs are included? Each pack contains 6 carbide cylinder fissure dental burs.
What is the ISO classification? The ISO standard classification is 500 314 107 007 014.
Where is this bur manufactured? This instrument is made in Germany by Busch & Co. GmbH.
Compare With
| Manufacturer | Reference |
|---|---|
| Komet (Gebr. Brasseler) | H31.314.014 |
| Brasseler USA | H31.31.014 |
| Meisinger | HM31-014-FG |
| SS White | 310152 |
| Alpen (Coltène) | R100559 |
Manufacturer literature: Busch catalogs and product brochures for this line are available in our Busch Burs Catalog Library.

