21L 012 (US No. 58L) HP FISS CYL LONG CARBIDE - (Pack of 6)
The carbide cylinder flat cutter dental bur from Busch & Co. GmbH is a precision-engineered rotary instrument designed for demanding applications in dental and technical laboratories. Manufactured in Germany, this cutter delivers the consistent performance and dimensional accuracy that professionals expect from a premium-grade tool.
Product Details
This instrument is classified as a Carbide Cutter, Cylinder Flat, conforming to the standard ISO classification 500 104 110 006 012 (US No. 58L). It is supplied in a convenient pack of 6, ensuring availability for continuous workflow without frequent reordering. The long shank HP (handpiece) configuration provides extended reach and enhanced control in precision cutting tasks.
Applications
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Model Making — ideal for shaping and detailing model materials with accuracy. -
Plastics Technology — effective for milling, trimming, and finishing plastic substrates. -
Crown and Bridge Technology — supports precise contouring and adjustment of restorations. -
Model Casting Technique — suited for refining cast models and frameworks.
Why Choose This Carbide Cutter?
As a carbide cylinder flat cutter dental bur, this instrument features a flat-ended cylindrical geometry that enables smooth, controlled material removal in both dental and technical lab settings. The carbide construction ensures long-lasting sharpness and resistance to wear under repeated use. Each unit is made in Germany to rigorous quality standards.

FAQ
What is the ISO classification for this bur? This carbide cylinder flat cutter dental bur is classified under ISO 500 104 110 006 012.
How many burs are included per pack? Each pack contains 6 individual burs, making it cost-effective for laboratory and clinical use.
What shank type does this bur use? It features an HP (handpiece) shank in a long configuration, referenced as US No. 58L.

