US No. 59 Busch Carbide Straight Fissure (Cylinder) Bur | Busch No. 21 014 – HP | Pack of 6
The carbide cylinder flat cutter dental bur from Busch & Co. GmbH is a precision-engineered rotary instrument designed for demanding professional applications. Classified under ISO 500 104 107 006 014, this Cylinder Flat Carbide Cutter (US No. 59) delivers controlled, consistent material removal across a range of technical and clinical disciplines.
Product Overview
Supplied in a convenient pack of 6, the carbide cylinder flat cutter dental bur features a flat-ended cylindrical geometry that enables precise flat-bottom preparations and clean lateral cutting. Manufactured in Germany, this cutter reflects the high standards of quality and dimensional accuracy that Busch instruments are known for worldwide.
Applications
The carbide cylinder flat cutter dental bur is well-suited for the following dental laboratory applications:
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Crown and Bridge Technology — Shaping, trimming and finishing of crown and bridge frameworks in the laboratory. |
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Plastics Technology — Shaping, trimming and finishing of acrylic dentures and appliances. |
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Model Making — Trimming and detailing of plaster and stone models. |
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Model Casting Technique — Finishing and adjustment of cast metal frameworks. |
Key Features
- Carbide construction for long-lasting cutting performance
- Cylinder flat geometry for flat-base and lateral preparations
- ISO Classification: 500 104 107 006 014
- US No. 59 designation
- Pack of 6 for clinical and laboratory efficiency
- Made in Germany
Whether used in a dental laboratory or a technical workshop, the carbide cylinder flat cutter dental bur provides the reliability and cutting precision required by experienced professionals. Its consistent geometry and carbide composition make it a dependable choice for repetitive, high-accuracy tasks.
Instrument Dimensions
| Head Ø | 1.4 mm (ISO size 014) |
|---|---|
| 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.
Busch Warranty & 90-Day Returns
This Busch instrument is guaranteed against manufacturing and workmanship defects — we'll repair or replace it under normal professional use. Unused product in original packaging can also be returned or exchanged within 90 days of your invoice date. Full terms are on our Warranty page.
FAQ
What is the ISO classification for this bur? This instrument is classified under ISO 500 104 107 006 014.
How many burs are included per pack? Each pack contains 6 individual carbide cylinder flat cutter dental burs.
What applications is this cutter suited for? It is suited for model making, plastics technology, crown and bridge technology, and model casting technique.
Where is this instrument manufactured? This carbide cylinder flat cutter dental bur is made in Germany by Busch & Co. GmbH.
Compare With
| Manufacturer | Reference |
|---|---|
| Komet (Gebr. Brasseler) | H21.104.014 |
| Brasseler USA | H21.11.014 |
| Meisinger | HM21-014-HP |
| SS White | 310065 |
| Edenta | C21.104.014 |
Manufacturer literature: Busch catalogs and product brochures for this line are available in our Busch Burs Catalog Library.
Specifications: Busch No. 21 014
| Busch figure | 21 |
| US No. | 59 |
| Shape | Straight Fissure (Cylinder) |
| ISO size / head diameter | 014 (1.4 mm max head Ø) |
| Shank | HP |
| Lab applications (per Busch) | Crown and Bridge Technology, Model Casting Technique, Model Making, Plastics Technology |
| Pack size | Pack of 6 |
| Material | Carbide |
The straight fissure (cylinder) head has parallel sides and a flat end, so it cuts straight-walled slots, flat steps and parallel surfaces. A 1.4 mm head gives enough edge for shaping while still following tooth-sized contours.
Read the guides: Dental Laboratory Burs, Polishers & Abrasives · Bur Speed Chart · Dental Bur Glossary · All lab carbide cutters
This is a US No. 59. See all 4 Busch versions — materials, shanks, cuts and packs — on our US No. 59 page.
US No. 59 Busch Carbide Straight Fissure (Cylinder) Bur | Busch No....
