US No. 33 1/2 Busch Steel Inverted Cone Bur | Busch No. 2 006 – HP | Pack of 6
The inverted cone steel dental bur from Busch & Co. GmbH is a precision-engineered cutting instrument designed to deliver consistent, reliable performance across a range of technical applications. Manufactured in Germany, this cutter combines durable steel construction with an inverted cone geometry for controlled material removal and clean, accurate results.
Product Details
- Type: Steel, Taper (Cone) Inverted, Cutter
- US No.: 33 1/2
- ISO Classification: 310 104 010 001 006
- Pack Size: 6 pieces
- Shank: HP (Handpiece)
- Origin: Made in Germany
Applications
The inverted cone steel dental bur is suited for use in the following technical disciplines:
The inverted cone geometry is particularly effective for undercutting and cavity preparation tasks, where precise angular engagement with the workpiece is required. The steel construction ensures consistent cutting edge integrity throughout the tool's working life.
The inverted cone steel dental bur is well-suited for the following dental laboratory applications:
| Plastics Technology — Shaping, trimming and finishing of acrylic dentures and appliances. | |
| Model Making — Trimming and detailing of plaster and stone models. |
Instrument Dimensions
| Head Ø | 0.6 mm (ISO size 006) |
|---|---|
| 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.
Why Choose This Bur?
Busch & Co. GmbH has a long-standing reputation for producing high-quality rotary instruments. This inverted cone steel dental bur reflects that heritage, offering a dependable option for professionals who demand accuracy and repeatability. The pack of 6 ensures an uninterrupted workflow without the need for frequent reordering.

FAQ
What is the ISO classification for this bur? The ISO classification is 310 104 010 001 006.
How many burs are included in the pack? Each pack contains 6 individual burs.
What shank type does this bur use? This bur features an HP (Handpiece) shank for compatibility with standard HP handpieces.

