Busch Carbide Grooving Cutter | Busch No. 21XL 010 – HP-SH | Pack of 2
The carbide grooving cutter dental bur from Busch & Co. GmbH — model 21XL 010 HP-SH — is a precision-engineered Carbide Cutter designed for controlled, accurate grooving in demanding dental and technical applications. This listing includes a convenient pack of 2 cutters, ensuring continuity of work without interruption.
Product Overview
Classified under ISO standard 500 103 538 190 010, this instrument is a Cylinder Flat, Grooving Cutter built to exacting tolerances. The carbide grooving cutter dental bur delivers consistent performance across a wide range of precision technique applications, making it a reliable choice for professionals who demand accuracy and repeatability in every procedure.
Key Features
- Type: Carbide Cutter — Cylinder Flat, Grooving Cutter
- ISO Classification: 500 103 538 190 010
- Shank: HP-SH
- Pack Contents: 2 cutters per pack
- Application: Precision Technique
- Origin: Made in Germany
Instrument Dimensions
| Head Ø | 1.0 mm (ISO size 010) |
|---|---|
| Shank | HP (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.
Application
This carbide grooving cutter dental bur is optimized for precision technique workflows. Whether used in dental laboratory settings or technical applications, the cylinder flat geometry ensures clean, defined groove formation with minimal material stress. The carbide construction provides excellent hardness and wear resistance, supporting extended service life under regular use.
Manufactured to the high standards that Busch & Co. GmbH is known for, this instrument is proudly Made in Germany — a hallmark of quality engineering and consistent clinical-grade results.
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.
FAQ
What is the ISO classification for this bur? The ISO classification is 500 103 538 190 010.
How many cutters are included in this pack? Each pack contains 2 carbide grooving cutter dental bur units.
What shank type does this cutter use? This cutter features an HP-SH shank configuration.
Where is this product manufactured? This instrument is Made in Germany by Busch & Co. GmbH.
Specifications: Busch No. 21XL 010
| Busch figure | 21XL |
| Shape | Grooving |
| ISO size / head diameter | 010 (1.0 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 1.0 mm width sets the groove width.
Read the guides: Dental Laboratory Burs, Polishers & Abrasives · Bur Speed Chart · Dental Bur Glossary · All lab carbide cutters
Busch Carbide Grooving Cutter | Busch No. 21XL 010 – HP-SH | Pack of 2
