US No. 1556 Busch Carbide Straight Fissure (Cylinder) Round Bur | Busch No. 31R 009 – Crosscut – HP | Pack of 6

The carbide cylinder round cutter dental bur from Busch & Co. GmbH is a precision-engineered rotary cutting instrument designed for demanding professional applications. Manufactured in Germany, this high-performance bur delivers consistent, controlled material removal across a range of technical disciplines.

Product Classification

This bur is referenced as 31R 009 (US No. 1556) and is classified under ISO standard 500 104 137 007 009. It is a Cylinder Round carbide cutter supplied in a convenient pack of 6, ensuring continuous availability in high-throughput workflows.

Key Features

• Carbide construction for long-lasting cutting performance
• Cylinder round geometry for precise, flat-bottomed preparations
• HP (Handpiece) shank for compatibility with standard straight handpieces
• Made in Germany to exacting quality standards
• Supplied as a pack of 6

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.

Applications

The carbide cylinder round 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.

Why Choose This Carbide Bur?

When precision and reliability matter, the carbide cylinder round cutter dental bur offers a consistent cutting edge that professionals can depend on. German engineering ensures each bur meets tight tolerances, making this an ideal choice for crown and bridge work, model casting, and plastics applications alike.

FAQ

What shank type does this bur use? This bur features an HP (Handpiece) shank, designed for use with standard straight dental handpieces.

How many burs are included? Each order contains a pack of 6 burs, providing excellent value for busy practices and laboratories.

What is the ISO classification? The ISO classification for this bur is 500 104 137 007 009.

Is this bur suitable for crown and bridge work? Yes, the carbide cylinder round cutter dental bur is specifically listed for Crown and Bridge Technology applications.

Compare With

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