Busch Carbide Taper (Cone) Round Cutter | Busch No. 429MQS 040 – Medium Grit, Crosscut – HP | Pack of 1
The carbide taper (cone) round cutter medium cut from Busch is a precision-engineered rotary tool designed for controlled material removal in professional applications. This high-performance cutter features a crosscut geometry that enhances chip clearance and reduces heat build-up during operation, making it a reliable choice for demanding work environments.
Product Specifications
- Type: Carbide Cutter, Taper (Cone) Round
- Cut: Medium Cut with Crosscut
- ISO Classification: 500 104 194 216 040
- Shank: HP (Handpiece)
- Pack Quantity: 1
Key Features
The carbide taper (cone) round cutter medium cut delivers consistent, repeatable results thanks to its precisely ground carbide flutes. The taper (cone) round shape allows for accurate access to contoured surfaces, while the medium cut rating balances material removal speed with surface finish quality. The crosscut pattern further improves cutting efficiency and control.
Instrument Dimensions
| Head Ø | 4.0 mm (ISO size 040) |
|---|---|
| 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
This carbide taper (cone) round cutter medium cut is particularly suited for use in Plastics Technology, where clean, precise cutting of thermoplastic and thermosetting materials is required. Its robust carbide construction ensures longevity even under continuous professional use.
The carbide taper (cone) round cutter medium cut is well-suited for the following dental laboratory applications:
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Plastics Technology — Shaping, trimming and finishing of acrylic dentures and appliances. |
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 does the crosscut geometry offer? The crosscut pattern improves chip evacuation and reduces clogging, resulting in smoother cutting performance and extended tool life.
Is this cutter suitable for use with standard HP handpieces? Yes, this cutter is designed for HP (handpiece) shank compatibility, making it straightforward to integrate into standard professional setups.
What materials is the carbide taper (cone) round cutter medium cut best used on? It is well suited for plastics technology applications, offering clean and controlled cutting on a range of plastic materials.
Specifications: Busch No. 429MQS 040
| Busch figure | 429MQS |
| Shape | Taper (Cone) Round |
| ISO size / head diameter | 040 (4.0 mm max head Ø) |
| Cut type / toothing | Medium Grit, Crosscut |
| Shank | HP |
| Lab applications (per Busch) | Plastics Technology |
| Pack size | Pack of 1 |
| Material | Carbide |
The taper (cone) round head is the all-purpose lab contouring shape: the cone reaches into interdental areas and around clasps while the rounded tip avoids gouging. Its medium grit crosscut balances removal rate and surface quality for general shaping. A 4.0 mm head is a bulk-work size, best on denture bases and other wide surfaces.
Read the guides: Dental Laboratory Burs, Polishers & Abrasives · Bur Speed Chart · Dental Bur Glossary · All lab carbide cutters
Busch Carbide Taper (Cone) Round Cutter | Busch No. 429MQS 040 – Me...
