US No. 4S Busch Carbide Round Bur | Busch No. 1S 014 – RA | Pack of 6
The round carbide dental bur from Busch & Co. GmbH is a precision-engineered rotary instrument designed for fast, efficient cutting in a wide range of restorative and preparatory procedures. Featuring a rosehead form with a green ring designation, this bur is built for consistent clinical performance and reliable material removal.
Product Specifications
- Type: Carbide, Round (Rosehead)
- Cutting Characteristic: Fast Cutting
- Ring Color: Green Ring
- Standard Classification: ISO 500 204 001 003 014
- US Equivalent: No. 4S
- Shank Type: RA (Right Angle / Latch-Type)
- Pack Quantity: 6 burs per pack
Applications
This round carbide dental bur is specifically indicated for cavity and fissure preparation, making it an essential instrument for daily restorative practice. The rosehead geometry allows precise access into occlusal fissures and interproximal areas with controlled cutting action.
The round carbide dental bur is well-suited for the following clinical procedures:
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Cavity/Fissure Preparation — Opening, extending and shaping cavities and fissures with controlled removal of enamel and dentin. |
Instrument Dimensions
| Head Ø | 1.4 mm (ISO size 014) |
|---|---|
| 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.
Why Choose This Bur
As a trusted round carbide dental bur, this instrument is manufactured in Germany by Busch & Co. GmbH, a company recognized for exceptional quality standards in dental rotary instruments. German engineering ensures dimensional accuracy, consistent flute geometry, and prolonged cutting efficiency across repeated use.
FAQ
What shank type does this bur use? This bur features an RA (right angle/latch-type) shank, compatible with standard slow-speed contra-angle handpieces.
How many burs are included? Each pack contains 6 round carbide dental bur units, providing excellent value for high-volume practices.
What is the ISO classification? The ISO standard classification for this bur is 500 204 001 003 014.
US No. 4S Busch Carbide Round Bur | Busch No. 1S 014 – RA | Pack of 6
