Busch Carbide Flame Cutter | Busch No. 425FX 060 – Fine Crosscut – HP | Pack of 1
The carbide cutter flame fine double cut from Busch & Co. GmbH is a precision rotary instrument engineered for demanding material removal and contouring tasks across a range of professional disciplines. Featuring a flame geometry with a fine double cut pattern, this cutter delivers smooth, controlled stock removal with a consistent surface finish.
Part of our Double Cut Burs: Busch Crosscut Carbide Cutter Collection — browse all 142 shapes, cuts and sizes.
Product Details
- Type: Carbide Cutter, Flame Shape
- Cut: Fine Double Cut
- Ring Colour: Red Ring
- Standard Classification: ISO: 500 104 274 140 060
- Pack Quantity: Pack of 1
- Origin: Made in Germany
Key Features
The carbide cutter flame fine double cut configuration combines a tapered flame profile with a closely spaced double cut pattern. This geometry allows the operator to work efficiently on curved and contoured surfaces, minimising chatter and producing a refined finish. The red ring designation identifies the fine cut grade, making it suitable for finishing and detail work.
Applications
The carbide cutter flame fine double cut is well-suited for the following dental laboratory applications:
| Crown and Bridge Technology — Shaping, trimming and finishing of crown and bridge frameworks in the laboratory. | |
| Plastics Technology — Shaping, trimming and finishing of acrylic dentures and appliances. | |
| Model Making — Trimming and detailing of plaster and stone models. | |
| Model Casting Technique — Finishing and adjustment of cast metal frameworks. |
Why Choose Busch
Busch & Co. GmbH has a longstanding reputation for manufacturing high-precision rotary cutting instruments in Germany. Each carbide cutter flame fine double cut tool is produced to consistent quality standards, ensuring reliable performance and dimensional accuracy across every application. The German-engineered construction supports durability and longevity in professional workshop and laboratory environments.
Instrument Dimensions
| Head Ø | 6.0 mm (ISO size 060) |
|---|---|
| Shank | HP (Straight Handpiece) — 2.35 mm Ø, 44.5 mm overall length (ISO 104) |
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.
Specifications: Busch No. 425FX 060
| Busch figure | 425FX |
| Shape | Flame |
| ISO size / head diameter | 060 (6.0 mm max head Ø) |
| Cut type / toothing | Fine Crosscut |
| Shank | HP |
| Lab applications (per Busch) | Crown and Bridge Technology, Model Casting Technique, Model Making, Plastics Technology |
| Pack size | Pack of 1 |
| Material | Carbide |
The flame head tapers from a full body to a fine point, for interdental areas, embrasures and blending contours on acrylic and frameworks. With its fine crosscut it is a finishing cutter, smoothing what a medium or coarse cutter has shaped. The 6.0 mm head is built for rapid, even reduction of large surfaces.
Read the guides: Dental Laboratory Burs, Polishers & Abrasives · Bur Speed Chart · Dental Bur Glossary · All lab carbide cutters
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 the red ring indicate?
The red ring identifies this as a fine cut instrument, suitable for finishing operations and detail contouring.
What is the ISO classification for this cutter?
The standard classification is ISO: 500 104 274 140 060.
Is this cutter suitable for dental laboratory use?
Yes, among its listed applications are Crown and Bridge Technology and Model Casting Technique, both common in dental laboratory workflows.


