US No. 557L 010 Busch Carbide Straight Fissure (Cylinder) Long Bur | Busch No. 31L 010 – Crosscut – FG | Pack of 6
The carbide cylinder fissure dental bur 31L 010 (US No. 557L 010) is a precision-engineered rotary instrument designed for efficient cavity and fissure preparation in restorative dentistry. Manufactured by Busch & Co. GmbH in Germany, this bur delivers consistent cutting performance in demanding clinical environments.
Product Details
- Type: Carbide, Cylinder Flat, Excavating and Fissure Bur
- ISO Classification: 500 314 110 007 010
- Shank: Friction Grip (FG)
- 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 | 1.0 mm (ISO size 010) |
|---|---|
| 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
Engineered to exacting German manufacturing standards, this carbide cylinder fissure dental bur offers reliable sharpness, dimensional accuracy, and long service life. The cylinder flat geometry produces clean, well-defined cavity walls, making it a trusted choice for restorative and preparatory dental procedures. Each pack contains 6 burs, ensuring an efficient supply for busy clinical settings.
Busch & Co. GmbH has a longstanding reputation for producing high-quality dental rotary instruments. This bur reflects that commitment through its consistent ISO-compliant geometry and durable carbide construction.
FAQ
What is this bur used for? This carbide cylinder fissure dental bur is designed for cavity preparation and fissure excavation in restorative dentistry.
How many burs are included per pack? Each pack contains 6 burs.
What is the ISO classification of this bur? The ISO classification is 500 314 110 007 010.
Is this bur compatible with friction grip handpieces? Yes, this bur features a friction grip (FG) shank for use with standard high-speed handpieces.
Compare With
| Manufacturer | Reference |
|---|---|
| Komet (Gebr. Brasseler) | H31L.314.010 |
| Brasseler USA | H31L.31.010 |
| Meisinger | HM31L-010-FG |
| SS White | 310150 |
| NTI (Kerr Rotary) | FG557L-KC0 |
Manufacturer literature: Busch catalogs and product brochures for this line are available in our Busch Burs Catalog Library.
US No. 557L 010 Busch Carbide Straight Fissure (Cylinder) Long Bur ...
