US No. 3SXM Busch Carbide Round Bur | Busch No. 1SXM 012 – SXM-Cut – RA | Pack of 6
The round carbide dental bur SXM cut from Busch & Co. GmbH is a precision-engineered rotary instrument designed for demanding restorative and preparatory procedures. Featuring a rosehead form with a slender neck profile, this bur delivers fast cutting action with notably low vibration, ensuring greater control and patient comfort during clinical use.
Key Features
- Carbide Construction: High-grade carbide for reliable, consistent cutting performance
- Round / Rosehead Design: Ideal geometry for controlled cavity entry and fissure work
- SXM Cut: Fast-cutting, low-vibration blade configuration for efficient tissue removal
- Slender Neck: Improved visibility and access in posterior regions
- Gold Plated Neck: Corrosion resistance and easy identification
- Green Ring: Color-coded for straightforward shank and speed identification
- RA Shank: Compatible with standard right-angle/slow-speed contra-angle handpieces
Instrument Dimensions
| Head Ø | 1.2 mm (ISO size 012) |
|---|---|
| Shank | RA / CA (Contra-Angle, latch) — 2.35 mm Ø, 22 mm overall length (ISO 204) |
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.
Standard Classification
ISO: 500 204 001 019 012 — US No. 3SXM. This round carbide dental bur SXM cut conforms to internationally recognized dimensional and performance standards, supporting predictable clinical outcomes across a variety of restorative applications.
Applications
The round carbide dental bur SXM cut is well-suited for the following clinical procedures:
| Cavity/Fissure Preparation — Opening, extending and shaping cavities and fissures with controlled removal of enamel and dentin. |
Pack Information
This listing includes a pack of 6 burs, providing excellent value for high-volume practices. Each bur is individually manufactured to exacting tolerances.

FAQ
What handpiece is compatible with this bur? This bur features an RA (right-angle) shank for use with standard slow-speed contra-angle handpieces.
How many burs are included? Each pack contains 6 individually manufactured round carbide dental bur SXM cut instruments.
What is the ISO classification? The ISO classification is 500 204 001 019 012, corresponding to US No. 3SXM.

