US No. 1559 Busch Carbide Straight Fissure (Cylinder) Round Bur | Busch No. 31R 014 – Crosscut – FG | Pack of 6
The carbide cylinder fissure dental bur from Busch & Co. GmbH is a precision-engineered instrument designed for reliable cavity and fissure preparation in clinical dentistry. Manufactured in Germany, this bur reflects the exacting standards for which Busch instruments are recognized worldwide.
Product Specifications
- Type: Carbide, Cylinder Round, Excavating and Fissure Bur
- Catalog Reference: 31R 014 (US No. 1559)
- Shank: FG (Friction Grip)
- ISO Classification: 500 314 137 007 014
- Pack Size: Pack of 6
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. |
The cylinder round head geometry of this carbide cylinder fissure dental bur enables efficient removal of decayed tissue and preparation of fissures with a high degree of accuracy. The FG shank ensures compatibility with standard high-speed handpieces used in modern dental practices.
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 Busch Carbide Burs?
Busch & Co. GmbH has a long-standing reputation for manufacturing dental cutting instruments to the highest German engineering standards. Each carbide cylinder fissure dental bur in this pack undergoes rigorous quality control to ensure consistent performance, extended service life, and 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? Each order contains a pack of 6 burs.
What is the ISO classification for this bur? The ISO classification is 500 314 137 007 014.
Compare With
| Manufacturer | Reference |
|---|---|
| Komet (Gebr. Brasseler) | H31R.314.014 |
| Brasseler USA | H31R.31.014 |
| Meisinger | HM31R-014-FG |
Manufacturer literature: Busch catalogs and product brochures for this line are available in our Busch Burs Catalog Library.

