D.847.012.G.FG
Diamond Drill Cone Flat
Brand: FRANK DENTAL
Category: Diamond
Head Length: 8
Total length: 21
Shaft type: 314
Diameter: 012
Shaft: FG
Max Revolutions: max. 225.000
Procedure: Crown Preparation
Material: Diamond
Shape: Tapered Shoulder Flat Square Edge
Colour Ring: Green
Grit: Coarse
Pack size: 5
Frank Dental D.847 Tapered Shoulder Diamond Bur
Premium German-made diamond bur for precise crown preparations and well-defined shoulder margins.
The Frank Dental D.847 Tapered Shoulder Diamond Bur features a tapered body, flat-end design, and square-edge geometry, enabling clinicians to create a precise 90° shoulder finish line for crown and bridge preparations.
Designed to provide excellent support for porcelain and ceramic restorative materials, the D.847 produces clean, clearly identifiable margins that contribute to accurate crown fit, improved aesthetics, and long-term restorative success.
Key Features
Premium natural diamond coating for efficient cutting performance
Tapered shoulder design with flat top and square edge
Creates accurate 90° shoulder margins
Excellent visibility and control during preparation
Produces clear finish lines for conventional and digital workflows
Manufactured in Germany to the highest quality standards
Clinical Applications
Ideal for:
Porcelain-fused-to-metal (PFM) crowns
Metal-ceramic restorations
Anterior ceramic crowns
Lithium disilicate restorations
Full-coverage crown preparations
Bridge retainers
Crown and bridge procedures
Benefits
Provides optimal space for porcelain and ceramic materials
Supports strong, aesthetic restorations
Improves margin definition for impression taking and intraoral scanning
Enhances restoration fit and laboratory accuracy
Suitable for both traditional and digital dentistry workflows
Dimensions
Diameter at widest point: 1.2 mm
Diameter at tip: 0.65 mm
The Frank Dental D.847 remains a trusted choice for clinicians seeking predictable crown preparations, precise shoulder margins, and consistent restorative outcomes.