PFERD fiber discs are manufactured in accordance with ISO 16057 in shape A2 version F under the designation "vulcanized fiber disc". For coarse grinding work with a high stock removal rate and cool grinding. Active grinding additives in the coating substantially improve the stock removal rate, prevent loading and result in cooler grinding.
| Manufacturer Part Number | 69401121 |
| External Diameter (Inch) | 2-1/2" |
| Hole Diameter (Inch) | 3/8" |
| Arbor Hole with Adapter Diameter (Inch) | 3/8" |
| Installation Width (Inch) | 5/16" |
| Maximum RPM | 20000 RPM |
| Optimum From RPM | 10000 RPM |
| Optimum To RPM | 15000 RPM |
| Trim Length (Inch) | 3/4" |
| Width (Inch) | 1/2" |
| Filament Material | Steel wire (ST) |
| Filament Material Diameter (Inch) | 0.012" |
| Abrasive | Zirconia alumina Z-COOL |
| Product Type | Fiber Disc |
714.897.1700
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