US No. 171L Busch Carbide Tapered Fissure (Cone) Long Bur | Busch No. 23L 012 – HP | Pack of 6

The carbide taper (cone) flat cutter dental bur by Busch & Co. GmbH is a precision-engineered rotary instrument designed for demanding material removal and shaping tasks across a range of professional applications. Classified under ISO standard 500 104 171 006 012 (US No. 171L), this long-shank HP carbide cutter delivers consistent, controlled cutting performance in laboratory and clinical settings.

Product Details

This instrument features a taper (cone) flat (tapered fissure (cone) long) geometry, a carbide construction known for its hardness and wear resistance. The HP (handpiece) shank configuration ensures compatibility with standard laboratory handpieces. Each pack contains 6 burs, providing excellent value for high-volume workflows.

• Type: Carbide Cutter, Taper (Cone) Flat
• Designation: 23L 012 / US No. 171L
• ISO Classification: 500 104 171 006 012
• Shank: HP (Handpiece)
• Pack Quantity: 6 pieces
• Origin: Made in Germany

Applications

The carbide taper (cone) flat cutter dental bur is suited for the following professional disciplines:

Whether you are trimming plaster models, shaping thermoplastics, or refining crown and bridge restorations, this carbide taper (cone) flat cutter dental bur offers the cutting precision and longevity that professionals require. Manufactured in Germany by Busch & Co. GmbH, each bur meets exacting quality standards expected in modern dental laboratory environments.

The carbide taper (cone) flat 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

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.

FAQ

What ISO classification does this bur correspond to? This bur is classified under ISO 500 104 171 006 012, also known as US No. 171L.

How many burs are included per pack? Each pack contains 6 carbide taper (cone) flat cutter dental burs.

What shank type does this instrument use? It uses an HP (handpiece) shank, compatible with standard laboratory handpieces.

Where is this product manufactured? This instrument is Made in Germany by Busch & Co. GmbH.

Compare With

Manufacturer literature: Busch catalogs and product brochures for this line are available in our Busch Burs Catalog Library.