Busch Diamond Depth Marker Bur | Busch No. 834 021 – Medium Grit – FG | Pack of 6
The diamond dental bur medium grit crown preparation instrument from Busch & Co. GmbH is a precision-engineered rotary tool designed to meet the exacting demands of modern restorative dentistry. Manufactured in Germany to rigorous quality standards, this bur delivers consistent, reliable performance across a wide range of clinical applications.
Product Overview
This bur features a medium grit diamond coating, offering an optimal balance between efficient material removal and a controlled, smooth cutting action. The medium grit designation makes it particularly well suited for shaping and refining tooth structure during restorative procedures. As a diamond dental bur medium grit crown preparation solution, it conforms to ISO standard 806 314 552 524 021, ensuring compatibility and predictability in clinical use.
Key Features
- Diamond abrasive with medium grit for balanced cutting efficiency
- ISO Classification: 806 314 552 524 021
- FG (Friction Grip) shank for use with high-speed handpieces
- Engineered and manufactured in Germany
- Supplied as a pack of 6 burs
Applications
The primary application for this diamond dental bur medium grit crown preparation instrument is crown preparation, where precise tooth reduction and margin definition are critical. The medium grit diamond surface provides clinicians with the control needed to achieve accurate preparations efficiently.
Instrument Dimensions
| Head Ø | 2.1 mm (ISO size 021) |
|---|---|
| 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.
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 does medium grit mean for a diamond bur?
Medium grit refers to the size of the diamond abrasive particles on the bur, providing a balance between cutting speed and surface finish — suitable for bulk reduction and crown preparation work.
How many burs are included?
This listing includes a pack of 6 individual burs.
What handpiece is this bur compatible with?
This is an FG (Friction Grip) shank bur, designed for use with standard high-speed dental handpieces.
Compare With
| Manufacturer | Reference |
|---|---|
| Komet (Gebr. Brasseler) | 834.314.021 |
| Brasseler USA | 834.31.021 |
| Meisinger | 834-021-FG |
| NTI (Kerr Rotary) | M834-021 |
| Alpen (Coltène) | 60031997 |
| Edenta | 834.314.021 |
| Horico | FG 834 021 |


