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Busch & Co. GmbH  |  SKU: 021531

Busch Carbide Twist Drill | Busch No. 4203S 007 – HP-SH | Pack of 2

Regular price $39.99
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The carbide twist drill dental bur from Busch & Co. GmbH is a precision-engineered rotary instrument designed for reliable performance in dental and technical applications. Manufactured to exacting standards in Germany, this instrument reflects the quality and consistency that professionals expect from a trusted German manufacturer.

Product Overview

This carbide twist drill dental bur is a carbide twist drill configured for use in straight handpieces (HP-SH). The twist drill geometry enables efficient material removal while maintaining directional accuracy, making it well-suited for precision technique applications in dental and laboratory settings.

  • Material: Carbide
  • Type: Twist Drill
  • Shank: HP-SH (Straight Handpiece)
  • Size: 007
  • Standard Classification: ISO: 500 103 417 364 007
  • Pack Quantity: 2 per pack

Applications

The carbide twist drill dental bur is intended for precision technique use. Its carbide construction provides the hardness necessary for consistent, repeatable results across a range of compatible materials encountered in dental and laboratory workflows.

As indicated by the Precision Technique designation, this instrument is suited for controlled, accurate drilling where clean entry and exit points are critical.

The carbide twist drill dental bur is well-suited for the following dental laboratory applications:

Precision Technique Precision Technique — Fine detail work requiring accurate, controlled material removal.

Instrument Dimensions

Head Ø0.7 mm (ISO size 007)
ShankHP (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.

German Engineering

Busch & Co. GmbH manufactures this carbide twist drill dental bur in Germany, upholding a tradition of craftsmanship and precision that practitioners worldwide rely on. The Made in Germany standard reflects rigorous quality control throughout the production process.

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.

Dental Instruments, Tools, Burs, Diamonds and Polishers Made In Germany

FAQ

What shank type does this drill use? This instrument is designed for straight handpieces (HP-SH), making it compatible with standard straight handpiece connections used in dental and laboratory environments.

How many drills are included? Each pack contains 2 carbide twist drill dental burs, offering convenience and a spare for uninterrupted workflow.

What is the ISO classification? The ISO standard classification for this instrument is 500 103 417 364 007.

Specifications: Busch No. 4203S 007

Busch figure 4203S
Shape Twist Drill
ISO size / drill diameter 007 (0.7 mm)
Shank HP-SH (short shank)
Line / technique Precision Technique
Pack size Pack of 2
Material Carbide

The twist drill bores clean holes of a defined diameter, for pin holes in models and precision-technique drilling. The 0.7 mm diameter sets the hole size.

Read the guides: Dental Laboratory Burs, Polishers & Abrasives · Bur Speed Chart · Dental Bur Glossary · All lab carbide cutters