US No. 706 Busch Steel Tapered Fissure (Cone) Bur | Busch No. 38 029 – Crosscut – HP | Pack of 6
The steel taper (cone) flat cutter dental bur from Busch & Co. GmbH (Item No. 38 029, US No. 706) is a precision-engineered rotary cutting instrument designed for demanding material removal tasks. Built from high-quality steel, this taper (cone) flat cutter delivers consistent, controlled performance across a range of applications.
Product Specifications
- Type: Taper (Cone) Flat Cutter
- Material: Steel
- Item Number: 38 029 (US No. 706)
- ISO Classification: 310 104 168 002 029
- Pack Size: 6 pieces
Applications
The steel taper (cone) flat cutter 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 | 2.9 mm (ISO size 029) |
|---|---|
| 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?
As a steel taper (cone) flat cutter dental bur, this instrument benefits from Busch's longstanding German manufacturing tradition. Each bur in this pack of 6 is produced to exacting standards, ensuring reliable geometry and consistent cutting action across every use.

FAQ
What does the ISO classification 310 104 168 002 029 indicate? This ISO code identifies the bur's specific geometry, shank type, head dimensions, and grit/cut characteristics as standardized for professional use.
How many burs are included? Each pack contains 6 individual burs.
Is this a genuine steel taper (cone) flat cutter dental bur? Yes, this is an authentic Busch product manufactured in Germany to consistent quality standards.

