US No. 4S Busch Carbide Round Bur | Busch No. 1S 014 – FG | Pack of 6
The round carbide dental bur fast cutting design of the Busch 1S 014 (US No. 4S) makes it an essential instrument for clinicians who demand precision and efficiency in restorative procedures. Engineered with a rosehead geometry and identified by a green ring for easy shank recognition, this bur delivers reliable, fast material removal in a controlled clinical environment.
Product Specifications
- Type: Carbide, Round, Rosehead
- Cutting Characteristic: Fast Cutting
- Indicator: Green Ring
- ISO Classification: 500 314 001 003 014
- US Equivalent: No. 4S
- Shank: FG (Friction Grip)
- Pack Size: 6 burs per pack
Applications
The round carbide dental bur fast cutting 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. |
Instrument Dimensions
| Head Ø | 1.4 mm (ISO size 014) |
|---|---|
| Shank | FG (Friction Grip) — 1.60 mm Ø, 19 mm overall length (ISO 314) |
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
The rosehead configuration of this round carbide dental bur fast cutting instrument provides a smooth, predictable cutting action that helps clinicians maintain full control throughout cavity preparation. The FG shank ensures compatibility with standard high-speed handpieces, making chair-side integration straightforward. Consistent carbide quality means each bur in the pack of 6 performs to the same exacting standard.
FAQ
What does the green ring on this bur indicate? The green ring is a standardized color-coding indicator that identifies the bur's cutting speed or grit classification, allowing for quick, error-free selection at chairside.
Is this bur compatible with standard high-speed handpieces? Yes. The FG (Friction Grip) shank is designed for use with conventional high-speed dental handpieces.
How many burs are included in one pack? Each pack contains 6 individual round carbide dental bur fast cutting instruments, providing excellent value for busy practices.
US No. 4S Busch Carbide Round Bur | Busch No. 1S 014 – FG | Pack of 6
