US No. 34 1/2 Busch Carbide Inverted Cone Bur | Busch No. 2 009 – HP | Pack of 6

The inverted cone carbide bur from Busch & Co. GmbH is a precision-engineered rotary cutting instrument designed for demanding applications across multiple technical disciplines. Classified under ISO 500 104 010 001 009, this taper (cone) inverted carbide cutter delivers consistent, controlled material removal in professional settings.

Product Overview

This inverted cone carbide bur (US No. 34 1/2) is supplied as a convenient pack of 6, making it well-suited for both high-volume workflows and bench-side use. Carbide construction ensures excellent cutting performance and longevity compared to standard steel alternatives, maintaining edge integrity through repeated use.

Applications

The inverted cone carbide 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

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.

Why Choose This Inverted Cone Carbide Bur

As a product of Busch & Co. GmbH, this inverted cone carbide bur is manufactured in Germany to exacting quality standards. German-engineered instruments from Busch are recognized for dimensional accuracy, balanced rotation, and reliable cutting characteristics — qualities that professionals in dental, industrial, and craft applications depend on.

Each pack contains 6 burs, providing a cost-effective supply for ongoing use. The inverted cone geometry makes this bur particularly effective for undercutting, flat-bottomed cavity work, and precise groove formation.

FAQ

What is the ISO classification for this bur? This product is classified under ISO 500 104 010 001 009.

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

What US number corresponds to this bur? This bur corresponds to US No. 34 1/2.

Where is this inverted cone carbide bur manufactured? It is made in Germany by Busch & Co. GmbH.

Compare With

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