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Busch & Co. GmbH  |  SKU: 020613

Busch Carbide Grooving Cutter | Busch No. 21XL 007 – HP-SH | Pack of 2

Regular price $32.99
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The carbide grooving cutter dental bur from Busch & Co. GmbH is a precision-engineered cutting instrument designed for demanding dental and technical laboratory applications. This cylinder flat grooving cutter delivers consistent, controlled material removal, making it an indispensable tool for professionals who require exacting results.

Product Overview

The 21XL 007 HP-SH is a carbide cutter with a cylinder flat geometry, specifically configured as a carbide grooving cutter dental bur for creating precise grooves and channels in dental materials. It is supplied as a convenient pack of 2, ensuring continuity of workflow without interruption. The standard classification for this instrument is ISO: 500 103 538 190 007, providing a reliable reference for ordering and integration into regulated clinical or laboratory environments.

Key Features

  • Type: Carbide Cutter, Cylinder Flat, Grooving Cutter
  • ISO Classification: 500 103 538 190 007
  • Shank: HP-SH (Handpiece — Straight Handpiece compatible)
  • Pack quantity: 2 cutters per pack
  • Manufactured in Germany to the highest quality standards

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.

Applications

This carbide grooving cutter dental bur is engineered for Precision Technique applications, where accuracy, surface quality, and repeatability are paramount. The cylinder flat profile allows the practitioner or dental technician to cut clean, well-defined grooves in a variety of dental materials with minimal deviation.

The carbide grooving cutter dental bur is well-suited for the following dental laboratory applications:

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

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 is the ISO classification of this bur? The ISO classification is 500 103 538 190 007, which allows for precise identification and standardized ordering.

How many burs are included in one pack? Each pack contains 2 carbide grooving cutter dental bur units, providing a practical supply for continuous use.

What shank type does this cutter use? This cutter is designed for HP-SH (straight handpiece) compatibility, suitable for standard laboratory handpiece systems.

Specifications: Busch No. 21XL 007

Busch figure 21XL
Shape Grooving
ISO size / head diameter 007 (0.7 mm max head Ø)
Shank HP-SH (short shank)
Line / technique Precision Technique
Pack size Pack of 2
Material Carbide

The grooving cutter has a flat cylinder profile that cuts a defined groove, for retention grooves and slots in precision technique. The 0.7 mm width sets the groove width.

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