Busch Carbide Round Cutter | Busch No. 421 031 – HP | Pack of 1
The round carbide cutter medium cut from Busch & Co. GmbH is a precision-engineered rotary tool designed for controlled material removal in demanding applications. Classified under ISO standard 500 104 001 175 031, this cutter meets rigorous international specifications for consistency and reliability.
Product Overview
This round carbide cutter medium cut features a round profile optimized for smooth, efficient cutting across a range of materials. The medium cut tooth geometry balances material removal rate with surface finish quality, making it a versatile choice for professionals who require both speed and control in their work.
Key Features
- Round profile carbide cutter
- Medium cut tooth configuration for balanced performance
- ISO Classification: 500 104 001 175 031
- Manufactured in Germany to exacting quality standards
- Sold as a pack of 1 (Part No. 421 031)
Instrument Dimensions
| Head Ø | 3.1 mm (ISO size 031) |
|---|---|
| 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.
Applications
The round carbide cutter medium cut is well-suited for the following dental laboratory applications:
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Plastics Technology — Shaping, trimming and finishing of acrylic dentures and appliances. |
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Model Making — Trimming and detailing of plaster and stone models. |
Why Choose This Cutter?
Busch & Co. GmbH has a long-standing reputation for producing high-quality rotary cutting tools. This round carbide cutter medium cut reflects that commitment to craftsmanship, offering professionals a dependable tool that delivers consistent results across a wide range of tasks. Made in Germany, it upholds the precision engineering standards the brand is known for.
Busch Warranty & 90-Day Returns
This Busch instrument is guaranteed against manufacturing and workmanship defects — we'll repair or replace it under normal professional use. Unused product in original packaging can also be returned or exchanged within 90 days of your invoice date. Full terms are on our Warranty page.
FAQ
What ISO classification does this cutter carry? This cutter is classified under ISO 500 104 001 175 031.
What applications is this cutter recommended for? It is recommended for model making and plastics technology applications.
What cut type does this cutter feature? It features a medium cut tooth geometry, suitable for balanced material removal and surface quality.
Specifications: Busch No. 421 031
| Busch figure | 421 |
| Shape | Round |
| ISO size / head diameter | 031 (3.1 mm max head Ø) |
| Shank | HP |
| Lab applications (per Busch) | Model Making, Plastics Technology |
| Pack size | Pack of 1 |
| Material | Carbide |
The round head cuts in every direction, which makes it the shape for opening, hollowing and relieving acrylic, plaster and model surfaces rather than for flat work. The 3.1 mm head is a large size for fast reduction of denture bases and broad framework surfaces.
Read the guides: Dental Laboratory Burs, Polishers & Abrasives · Bur Speed Chart · Dental Bur Glossary · All lab carbide cutters
Busch Carbide Round Cutter | Busch No. 421 031 – HP | Pack of 1
