US No. 63 Busch Carbide Straight Fissure (Cylinder) Bur | Busch No. 21 023 – HP | Pack of 6

The carbide cylinder flat cutter bur from Busch & Co. GmbH is a precision-engineered rotary cutting tool designed for demanding material removal and shaping tasks. Identified as item 21 023 (US No. 63) and classified under ISO: 500 104 107 006 023, this instrument delivers consistent, controlled performance across a range of professional applications.

Product Details

This tool is a Carbide Cutter, Cylinder Flat configuration, offering clean, flat-bottom cutting geometry suitable for precise work in tight spaces. The carbide construction ensures long-lasting edge retention and resistance to wear, making it a reliable choice for professionals who demand repeatability and accuracy in every procedure.

Applications

The carbide cylinder flat cutter 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

• Cylinder flat cutting geometry for flat-bottom work
• Carbide construction for enhanced durability and edge retention
• Conforms to ISO classification: 500 104 107 006 023
• Supplied as a pack of 6 for professional use
• Made in Germany to exacting quality standards

As a carbide cylinder flat cutter bur, this instrument is well-suited for technicians and professionals requiring reliable, repeatable cutting performance. Each pack contains 6 burs, providing consistent supply for high-volume or everyday use. Busch & Co. GmbH manufactures this tool in Germany, reflecting a commitment to precision and quality.

Instrument Dimensions

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 ISO classification does this bur conform to? This carbide cylinder flat cutter bur conforms to ISO classification 500 104 107 006 023.

How many burs are included per pack? Each pack contains 6 burs.

What applications is this cutter suited for? It is suited for model making, plastics technology, crown and bridge technology, and model casting technique.

Compare With

Manufacturer literature: Busch catalogs and product brochures for this line are available in our Busch Burs Catalog Library.