Busch Diamond Taper (Cone) Pointed Bur | Busch No. 859EF 010 – Extra Fine Grit, Yellow Ring – FG | Pack of 2
The diamond taper (cone) pointed extra fine dental bur from Busch & Co. GmbH is a precision-engineered rotary instrument designed for demanding restorative and prosthodontic procedures. With its characteristic taper (cone) pointed geometry and extra fine grit, this bur delivers controlled, refined cutting that minimises surface roughness and supports optimal tissue management.
Product Specifications
- Shape: Taper (Cone) Pointed
- Grit: Extra Fine
- Ring Colour: Yellow (Extra Fine designation)
- Standard Classification: ISO 806 314 166 504 010
- Shank: FG (Friction Grip)
- Pack Size: 2 burs per pack
Clinical Applications
This diamond taper (cone) pointed extra fine dental bur is well suited for the following clinical procedures:
- Filling Treatment — ideal for refining cavities and achieving smooth preparation margins prior to restoration placement.
- Crown Preparation — supports precise finishing of axial walls and occlusal reduction for accurate crown seating.
Instrument Dimensions
| Head Ø | 1.0 mm (ISO size 010) |
|---|---|
| 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.
Quality & Origin
Manufactured in Germany, Busch & Co. GmbH instruments are recognised for their consistent dimensional accuracy and reliable performance across clinical applications. The diamond taper (cone) pointed extra fine dental bur benefits from high-quality diamond particle bonding, ensuring uniform abrasion and extended working life.

FAQ
What is the ISO classification for this bur? The ISO classification is 806 314 166 504 010, which identifies the instrument's form, grit, and shank type.
What shank type does this bur use? This bur features an FG (Friction Grip) shank, compatible with standard high-speed handpieces.
How many burs are included? Each pack contains 2 units of the diamond taper (cone) pointed extra fine dental bur.
Compare With
| Manufacturer | Reference |
|---|---|
| Komet (Gebr. Brasseler) | 859EF.314.010 |
| Brasseler USA | 859EF.31.010 |
| Meisinger | 859EF-010-FG |
| NTI (Kerr Rotary) | SF859EF-010 |
| Alpen (Coltène) | 60032397 |
| Edenta | C859.314.010 |
| Horico | FG 166 F 010 |
Manufacturer literature: Busch catalogs and product brochures for this line are available in our Busch Burs Catalog Library.

