Busch Midis Carbide Cylinder Round Bur | Busch No. M 426FXK 023 – HP | Pack of 2
The carbide cylinder bur fine double cut ceramic midi from Busch is engineered for precise, controlled material removal in crown and bridge applications. Designed specifically for ceramic substrates, this rotary instrument delivers clean, consistent cuts with minimal chipping, making it an essential tool in restorative and prosthetic dental workflows.
Product Overview
The M 426FXK 023 HP features a cylindrical round geometry combined with a fine double cut pattern, optimised for working with ceramic materials at a midi shank specification. This configuration allows the clinician to achieve refined surface preparation with excellent tactile feedback and reduced heat generation during use.
- Shape: Cylinder Round
- Cut Type: Fine Double Cut
- Material Compatibility: Ceramic
- Size: Midi
- Shank: HP (Handpiece)
- Pack Contents: 2 burs
Applications
This instrument is part of Busch's dedicated Crown and Bridge Technology range, reflecting decades of German engineering expertise. Each carbide cylinder bur fine double cut ceramic midi is manufactured in Germany, ensuring stringent quality control and consistent clinical performance across every unit in the pack.
The carbide cylinder bur fine double cut ceramic midi 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. |

Instrument Dimensions
| Head Ø | 2.3 mm (ISO size 023) |
|---|---|
| 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.
FAQ
What materials is this bur designed for? This carbide cylinder bur fine double cut ceramic midi is specifically optimised for use on ceramic restorations and ceramic-based materials.
How many burs are included in the pack? Each purchase includes a pack of 2 burs.
What type of handpiece is this compatible with? This instrument is designed for HP (straight handpiece) use.
