Busch Carbide Round Cutter | Busch No. 421X 040 – Crosscut – HP | Pack of 1
The carbide cutter round medium double cut from Busch & Co. GmbH is a precision rotary tool engineered for demanding material removal tasks across multiple professional disciplines. Designed with a round head geometry and a medium double cut tooth pattern, this cutter delivers controlled, efficient stock removal with reduced clogging and smooth surface results.
Product Specifications
- Type: Carbide Cutter, Round
- Cut: Medium Double Cut
- Standard Classification: ISO: 500 104 001 190 040
- Model: Busch Carbide Round Cutter | Busch No. 421X 040 – Cross Cut – HP
- Pack Quantity: 1
Applications
The carbide cutter round medium double cut is well-suited for the following dental laboratory applications:
| Crown and Bridge Technology — Shaping, trimming and finishing of crown and bridge frameworks in the laboratory. | |
| Plastics Technology — Shaping, trimming and finishing of acrylic dentures and appliances. | |
| Model Making — Trimming and detailing of plaster and stone models. | |
| Model Casting Technique — Finishing and adjustment of cast metal frameworks. |
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.
Why Choose Busch Carbide Cutters
The carbide cutter round medium double cut is manufactured in Germany, reflecting Busch & Co. GmbH's longstanding commitment to precision engineering and quality craftsmanship. The medium double cut configuration balances aggressive material removal with a refined surface finish, making it a versatile choice for both technical and dental laboratory environments.

FAQ
What materials can this carbide cutter be used on? This carbide cutter round medium double cut is generally suited for plastics, dental model materials, and similar workpieces commonly encountered in laboratory and technical settings.
What shank type does this cutter use? This cutter is designed for HP (Handpiece) compatibility, as indicated by the HP designation in the product name.
Is this product sold individually? Yes, this item is sold as a pack of 1.

