US No. 14 Busch Carbide Wheel | Busch No. 3 012 – HP | Pack of 6
The carbide wheel cutter dental bur from Busch & Co. GmbH — referenced as 3 012 (US No. 14) — is a precision-engineered rotary instrument designed for demanding applications across dental and technical disciplines. Built to the highest German manufacturing standards, this wheel-form carbide cutter delivers consistent, controlled material removal with every use.
Product Classification
This carbide wheel cutter dental bur is classified under the international standard ISO: 500 104 040 001 012, ensuring compatibility and traceability within professional workflows. Each pack contains 6 burs, making it an efficient choice for high-volume practices and technical laboratories.
Applications
The carbide wheel cutter dental bur 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. |
Instrument Dimensions
| Head Ø | 1.2 mm (ISO size 012) |
|---|---|
| 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.
Why Choose This Carbide Wheel Cutter Dental Bur
As a carbide wheel cutter dental bur, the 3 012 benefits from Busch's long-standing expertise in rotary instrument manufacturing. The wheel shape provides a unique cutting profile ideal for grooving, undercutting, and refining surfaces that demand accuracy. Made in Germany, each bur undergoes rigorous quality control to ensure dimensional consistency and long service life.
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 shank type does the 3 012 use? This bur is designed for HP (handpiece) use, suitable for straight handpiece applications.
How many burs are included per pack? Each pack contains 6 carbide wheel cutter dental burs.
What is the ISO classification? The ISO classification is 500 104 040 001 012.
Compare With
| Manufacturer | Reference |
|---|---|
| Komet (Gebr. Brasseler) | H3.104.012 |
Manufacturer literature: Busch catalogs and product brochures for this line are available in our Busch Burs Catalog Library.
Specifications: Busch No. 3 012
| Busch figure | 3 |
| US No. | 14 |
| Shape | Wheel |
| ISO size / head diameter | 012 (1.2 mm max head Ø) |
| Shank | HP |
| Lab applications (per Busch) | Crown and Bridge Technology, Model Casting Technique, Model Making, Plastics Technology |
| Pack size | Pack of 6 |
| Material | Carbide |
The thin wheel head cuts narrow slots and flat seats where a side-cutting disc profile is needed. At 1.2 mm the head is small, suited to interdental areas, clasp spaces and fine detail rather than bulk work.
Read the guides: Dental Laboratory Burs, Polishers & Abrasives · Bur Speed Chart · Dental Bur Glossary · All lab carbide cutters
This is a US No. 14. See all 2 Busch versions — materials, shanks, cuts and packs — on our US No. 14 page.
