Busch Carbide Round Cutter | Busch No. 421GQSR 060 – Coarse Grit, Crosscut – HP | Pack of 1
The carbide cutter round coarse straight crosscut from Busch & Co. GmbH is a precision-engineered rotary instrument designed for demanding material removal tasks in plastics technology and related applications. Built to the exacting standards for which German manufacturing is renowned, this cutter delivers reliable, consistent performance in professional settings.
Product Overview
This instrument is classified under ISO standard 500 104 001 212 060, ensuring compatibility and traceability within regulated workflows. The round shank (HP) configuration makes it suitable for use with standard straight handpieces, offering stable torque transmission and reduced vibration during operation.
Key Features
- Cutter Type: Carbide Cutter, Round
- Cut Style: Coarse Straight Power Cut with Crosscut geometry
- Shank: HP (Straight Handpiece)
- ISO Classification: 500 104 001 212 060
- Pack Quantity: Pack of 1
Instrument Dimensions
| Head Ø | 6.0 mm (ISO size 060) |
|---|---|
| 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.
Applications
The carbide cutter round coarse straight crosscut is specifically suited for Plastics Technology applications, where efficient and controlled material removal is essential. The coarse crosscut geometry accelerates stock removal while the round form allows contouring and shaping of complex profiles.
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 handpieces are compatible with this instrument? It has an HP (2.35 mm straight) shank, which fits standard laboratory and slow-speed straight handpieces.
How many are included per pack? Each pack contains 1 cutter.
Where is this instrument made? It is manufactured by Busch & Co. in Engelskirchen, Germany, an ISO 13485-certified specialist in rotary precision instruments since 1905.
Specifications: Busch No. 421GQSR 060
| Busch figure | 421GQSR |
| Shape | Round |
| ISO size / head diameter | 060 (6.0 mm max head Ø) |
| Cut type / toothing | Coarse Grit, Crosscut |
| Shank | HP (2.35 mm) |
| Pack size | Pack of 1 |
| Material | Carbide |
The round head cuts in every direction, which makes it the shape for opening, hollowing and relieving acrylic, plaster and model surfaces rather than for flat work. Coarse crosscut teeth clear large chips without clogging, which makes this the cutter for gross trimming. The 6.0 mm head is a bulk-reduction size, not meant for detail.
Read the guides: Dental Laboratory Burs, Polishers & Abrasives · Bur Speed Chart · Dental Bur Glossary · All lab carbide cutters
Busch Carbide Round Cutter | Busch No. 421GQSR 060 – Coarse Grit, C...
