US No. 703 Busch Steel Tapered Fissure (Cone) Bur | Busch No. 38 021 – Crosscut – HP | Pack of 6

The steel taper (cone) flat cutter dental bur from Busch & Co. GmbH is a precision-engineered rotary instrument designed for demanding cutting and shaping tasks in professional applications. Built from high-quality steel, this taper (cone) flat cutter delivers consistent performance where accuracy and control are essential.

Product Details

• Material: Steel
• Shape: Taper (Cone) Flat
• Type: Cutter (HP Shank)
• Pack Quantity: 6 pieces
• Item Number: 38 021 (US No. 703)
• ISO Classification: 310 104 168 002 021

Applications

The steel taper (cone) flat cutter dental bur is well-suited for the following dental laboratory applications:

	Plastics Technology — Shaping, trimming and finishing of acrylic dentures and appliances.
	Model Making — Trimming and detailing of plaster and stone models.

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.

Why Choose This Bur?

As a steel taper (cone) flat cutter dental bur, this instrument reflects the Busch standard of German manufacturing quality. Each bur in this pack is produced to consistent dimensional tolerances, ensuring predictable results across repeated use. The HP (handpiece) shank configuration provides compatibility with standard straight handpiece chucks.

FAQ

What ISO classification does this bur carry? This steel taper (cone) flat cutter dental bur is classified under ISO 310 104 168 002 021.

How many burs are included? Each pack contains 6 individual burs.

What shank type does this bur use? It features an HP (handpiece) straight shank for use with standard straight handpiece chucks.