Busch Cylinder Flat Abrasive | Busch No. 639 035 – Pink – HP | Pack of 6
The medium grit abrasive for metal alloys from Busch & Co. is a precision-engineered dental abrasive designed to deliver consistent, controlled material removal on medium hard metal alloys. Whether working in a busy dental lab or a clinical setting, this abrasive is formulated to perform with reliability and accuracy.
Product Overview
This HP abrasive in pink is classified as a medium grit instrument, making it an ideal medium grit abrasive for metal alloys where controlled finishing is required. It conforms to the ISO standard classification ISO: 625 104 110 523 035, ensuring compatibility and consistency across applications.
- Grit: Medium
- Intended Material: Medium hard metal alloys
- ISO Classification: 625 104 110 523 035
- Pack Size: Pack of 6
- Shank Type: HP (Handpiece)
Applications
The medium grit abrasive for metal alloys 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. | |
| Model Casting Technique — Finishing and adjustment of cast metal frameworks. |
Instrument Dimensions
| Head Ø | 3.5 mm (ISO size 035) |
|---|---|
| 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.
German Engineering Quality
Manufactured by Busch & Co. GmbH, this abrasive reflects decades of German precision manufacturing. Each unit in this pack of 6 is produced to exact quality standards, ensuring that every piece performs as a reliable medium grit abrasive for metal alloys across all intended applications.

FAQ
What materials is this abrasive designed for? It is designed specifically for medium hard metal alloys, making it a reliable medium grit abrasive for metal alloys used in dental laboratory work.
How many pieces are included? Each pack contains 6 abrasive instruments.
What shank type does this abrasive use? This instrument features an HP (Handpiece) shank for use with standard dental lab handpieces.
