US No. 62 Busch Carbide Straight Fissure (Cylinder) Bur | Busch No. 21 021 – HP | Pack of 6
The carbide cylinder flat cutter dental bur from Busch & Co. GmbH is a precision-engineered rotary cutting instrument designed for demanding applications across dental and technical disciplines. Classified under ISO: 500 104 107 006 021, this Cylinder Flat Carbide Cutter (US No. 62) delivers reliable, consistent performance in professional settings. Sold in a convenient pack of 6, it ensures continuity of work without interruption.
Product Overview
This carbide cylinder flat cutter dental bur features a flat-ended cylindrical geometry that enables controlled material removal, clean edge definition, and precise shaping. Carbide construction provides superior hardness and wear resistance compared to standard steel burs, making it a preferred choice for technicians who demand accuracy and longevity from their instruments.
Applications
The carbide cylinder flat cutter dental bur is well-suited for the following dental laboratory applications:
| Crown and Bridge Technology — Shaping, trimming and finishing of crown and bridge frameworks in the laboratory. | |
| Plastics Technology — Shaping, trimming and finishing of acrylic dentures and appliances. | |
| Model Making — Trimming and detailing of plaster and stone models. | |
| Model Casting Technique — Finishing and adjustment of cast metal frameworks. |
Key Features
- Carbide Cutter, Cylinder Flat geometry
- ISO Classification: 500 104 107 006 021
- US No. 62 designation
- HP (Handpiece) shank type
- Pack of 6 for professional continuity
- Made in Germany
As a trusted carbide cylinder flat cutter dental bur, this instrument reflects Busch & Co. GmbH's longstanding commitment to German manufacturing excellence. Each bur is produced to exacting standards, ensuring dimensional consistency and cutting reliability across every use.

Instrument Dimensions
| Head Ø | 2.1 mm (ISO size 021) |
|---|---|
| Shank | HP (Straight Handpiece) — 2.35 mm Ø, 44.5 mm overall length (ISO 104) |
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.
FAQ
What is the ISO classification for this bur? The ISO classification is 500 104 107 006 021.
What shank type does this cutter use? This cutter uses an HP (Handpiece) shank.
How many burs are included per pack? Each pack contains 6 individual burs.
Where is this carbide cylinder flat cutter dental bur manufactured? It is made in Germany by Busch & Co. GmbH.
Compare With
| Manufacturer | Reference |
|---|---|
| Komet (Gebr. Brasseler) | H21.104.021 |
| Brasseler USA | H21.11.021 |
| Meisinger | HM21-021-HP |
Manufacturer literature: Busch catalogs and product brochures for this line are available in our Busch Burs Catalog Library.

