US No. 7SXM Busch Carbide Round Bur | Busch No. 1SXM 021 – SXM-Cut – RA-L | Pack of 2
The round carbide dental bur SXM cut from Busch & Co. GmbH is a precision-engineered rotary instrument designed for demanding restorative and operative dentistry. Featuring a rosehead form with fast cutting and low vibration characteristics, this bur delivers smooth, controlled material removal with minimal patient discomfort.
This is a US No. 7. See all 10 Busch versions — materials, shanks, cuts and packs — on our US No. 7 page.
Key Features
- Form: Round, Rosehead
- Cutting Performance: Fast cutting and low vibration
- Neck Design: Slender neck with gold plating
- Colour Coding: Green ring for easy size identification
- Shank Type: RA-L (Latch-type right angle)
- Standard Classification: ISO 500 205 001 019 021 (US No. 7SXM)
- Pack Quantity: Pack of 2
Material & Construction
Crafted from carbide, the round carbide dental bur SXM cut offers consistent hardness and cutting edge longevity. The gold-plated slender neck reduces flex and vibration during use, providing the clinician with tactile precision throughout the procedure. Manufactured to the high standards associated with German dental instrumentation.
Clinical Applications
This round carbide dental bur SXM cut is particularly well suited for:
- Cavity and fissure preparation
The rosehead geometry allows access into pits and fissures, making it an effective choice for initial cavity entry and internal shaping in posterior and anterior teeth.
Instrument Dimensions
| Head Ø | 2.1 mm (ISO size 021) |
|---|---|
| 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.
Busch Warranty & 60-Day Returns
This Busch instrument is guaranteed against manufacturing and workmanship defects — we'll repair or replace it under normal professional use. Unused, unopened product in its original packaging can also be returned or exchanged within 60 days of delivery. Full terms are on our Warranty page and Returns page.
FAQ
What is the ISO classification for this bur?
The ISO classification is 500 205 001 019 021, corresponding to US No. 7SXM.
What shank type does this bur use?
This bur features an RA-L (latch-type right angle) shank, compatible with standard slow-speed contra-angle handpieces.
How many burs are included?
Each order includes a pack of 2 burs.
What distinguishes the SXM cut on this round carbide dental bur SXM cut?
The SXM cut geometry is engineered for fast, efficient cutting with reduced vibration, supporting precise cavity preparation with greater clinical comfort.
