Busch Fiber Cut-Off Disc | Busch No. 438 220 – 0.3 mm | Pack of 6
The fiber cut-off disc for metal alloys from Busch & Co. GmbH is an abrasive, fiber-reinforced cutting disc engineered for precise, controlled separation work in dental laboratory applications. Designed to perform reliably on metal alloys, this disc delivers consistent cutting results across a range of clinical and technical procedures.
Key Features
- Abrasive, fiber-reinforced construction for enhanced durability and cutting stability
- Optimized for use with metal alloys in dental lab environments
- Supplied as a pack of 6 discs for continuous workflow efficiency
- Manufactured in Germany to exacting quality standards
Instrument Dimensions
| Head Ø | 22.0 mm (ISO size 220) |
|---|
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.
Applications
The fiber cut-off disc for metal alloys 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. | |
| Model Casting Technique — Finishing and adjustment of cast metal frameworks. |
German Engineering
As with all Busch instruments, this fiber cut-off disc for metal alloys is proudly made in Germany, reflecting a long-standing commitment to precision manufacturing and consistent clinical performance. Busch & Co. GmbH has established a trusted reputation among dental professionals for instruments that meet rigorous quality expectations.

FAQ
What materials is this disc designed for? This disc is specifically formulated for metal alloys, making it a reliable choice for dental laboratory cutting tasks involving metallic restorations.
How many discs are included per pack? Each pack contains 6 fiber cut-off discs, providing an economical supply for regular laboratory use.
Is this a fiber-reinforced disc? Yes — the disc features a fiber-reinforced, abrasive construction, which supports stability and longevity during use. The fiber cut-off disc for metal alloys is designed to maintain cutting integrity throughout its working life.
