PFERD fiber discs are manufactured in accordance with ISO 16057 in shape A2 version F under the designation "vulcanized fiber disc". For aggressive grinding with maximum stock removal rate on hard materials that do not conduct heat well. Consistently high performance due to self-sharpening ceramic oxide grain. Active grinding additives in the coating substantially improve the stock removal rate, prevent loading, and result in cooler grinding.
| Manufacturer Part Number | 69401286 |
| External Diameter (Inch) | 8" |
| Hole Diameter (Inch) | 5/8" |
| Installation Width (Inch) | 5/8" |
| Number of Knots | 42 |
| Maximum RPM | 7000 RPM |
| Optimum From RPM | 3500 RPM |
| Optimum To RPM | 5000 RPM |
| Trim Length (Inch) | 1-5/8" |
| Width (Inch) | 5/8" |
| Filament Material | Steel wire (ST) |
| Filament Material Diameter (Inch) | 0.016" |
| Abrasive | CO-COOL |
| Product Type | Fiber Disc |
714.897.1700
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