US No. 701L Busch Carbide Tapered Fissure (Cone) Long Bur | Busch No. 33L 012 – Crosscut – HP | Pack of 6
The carbide taper (cone) flat cutter dental bur from Busch & Co. GmbH is a precision-engineered rotary instrument designed for demanding applications in dental and technical laboratories. Catalogued under ISO classification 500 104 171 007 012, this cutter delivers consistent, controlled material removal across a range of professional disciplines.
This is a US No. 701. See all 6 Busch versions — materials, shanks, cuts and packs — on our US No. 701 page.
Product Details
This instrument is a Carbide Cutter with a Taper (Cone) Flat (FISS) profile and a long shank configuration, offered in a convenient pack of six. The HP (handpiece) shank format ensures compatibility with standard laboratory handpiece systems. As a carbide taper (cone) flat cutter dental bur, it is manufactured to exacting tolerances, reflecting the quality standards associated with German engineering.
Applications
The carbide taper (cone) flat cutter dental bur is well-suited for the following dental laboratory applications:
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Crown and Bridge Technology — Shaping, trimming and finishing of crown and bridge frameworks in the laboratory. |
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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. |
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Model Casting Technique — Finishing and adjustment of cast metal frameworks. |
Why Choose This Bur
Choosing the right carbide taper (cone) flat cutter dental bur is critical for achieving clean, accurate results in precision laboratory work. The taper (cone) flat geometry provides a defined cutting edge suitable for internal angles, recesses, and detailed contouring tasks. Supplied in a pack of six, this product offers excellent value for high-volume laboratory environments.
Made in Germany, this instrument upholds the rigorous craftsmanship and quality control that Busch & Co. GmbH is recognized for worldwide.
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.
Specifications: Busch No. 33L 012
| Busch figure | 33L |
| US No. | 701L |
| Shape | Tapered Fissure (Cone) Long |
| ISO size / head diameter | 012 (1.2 mm max head Ø) |
| Cut type / toothing | Crosscut |
| 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 long tapered fissure head reaches further than the standard figure while still cutting convergent walls and tapered grooves. The 1.2 mm head is a small size for confined spaces and detail work. As a medium crosscut cutter it does the main shaping work between bulk reduction and finishing.
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 is the ISO classification for this bur?
The ISO classification is 500 104 171 007 012.
How many units are included?
This listing includes a pack of six burs.
What shank type does this bur use?
It uses an HP (handpiece) shank, compatible with standard laboratory handpiece systems.
Is this a genuine carbide taper (cone) flat cutter dental bur?
Yes, it is a genuine Busch carbide instrument, made in Germany to professional laboratory standards.
Compare With
| Manufacturer | Reference |
|---|---|
| Komet (Gebr. Brasseler) | H33L.104.012 |
| Brasseler USA | H33L.11.012 |
| Meisinger | HM33L-012-HP |
| SS White | 310085 |
| Edenta | C33L.104.012 |
