US No. 60 Busch Carbide Straight Fissure (Cylinder) Bur | Busch No. 21 016 – HP | Pack of 6
The carbide cylinder flat cutter dental bur from Busch & Co. GmbH is a precision-engineered rotary instrument designed for demanding cutting and shaping tasks across multiple technical disciplines. Identified by product number 21 016 (US No. 60), this instrument features a cylinder flat geometry that delivers controlled, flat-bottomed cuts with consistent results. This pack contains 6 burs, making it a practical choice for high-volume workflows.
Product Specifications
- Type: Carbide Cutter, Cylinder Flat
- Product Number: 21 016 (US No. 60)
- ISO Classification: 500 104 107 006 016
- Pack Quantity: 6 pieces
- Shank Type: HP (Handpiece)
- Manufacturer: Busch & Co. GmbH, Made in Germany
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. |
Instrument Dimensions
| Head Ø | 1.6 mm (ISO size 016) |
|---|---|
| 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.
German Engineering Quality
As a carbide cylinder flat cutter dental bur manufactured in Germany, this instrument upholds the high standards of precision and durability that Busch & Co. GmbH is known for. The carbide construction ensures long-lasting cutting performance and resistance to wear under repeated use.

FAQ
What is the ISO classification for this bur? The ISO classification is 500 104 107 006 016.
How many burs are included in this pack? This product is supplied as a pack of 6 individual burs.
What shank type does the 21 016 use? It uses an HP (handpiece) shank, suitable for straight handpiece use. This carbide cylinder flat cutter dental bur is compatible with standard HP-type rotary handpieces.
Compare With
| Manufacturer | Reference |
|---|---|
| Komet (Gebr. Brasseler) | H21.104.016 |
| Brasseler USA | H21.11.016 |
| Meisinger | HM21-016-HP |
| Edenta | C21.104.016 |
Manufacturer literature: Busch catalogs and product brochures for this line are available in our Busch Burs Catalog Library.

