Fiber Disc
Uneeda Fibre discs are manufactured by coating abrasive grain onto a vulcanized fibre backing. They are most often used for blending and polishing various metals. Uneeda offers Fibre Discs in 4” with a 5/8” arbor hole, 4-1/2”, 5”, 7”, and 9” with a 7/8” arbor hole and are run on right angle grinders. Fiber discs are available in aluminum oxide, silicon carbide, alumina zirconia, and ceramic grains in 16 - 400 grit.
Maximum RPM for safe operation of fiber discs.
| Size |
RPM |
| 4” x 5/8” |
15,000 RPM |
| 4.5” X 7/8” |
13,000 RPM |
| 5” X 7/8” |
12,000 RPM |
| 7” X 7/8” |
8,600 RPM |
| 9” X 7/8” |
6,500 RPM |
| Size |
Grit |
Grain |
Application |
| 4 X 5/8" |
16 – 120 |
A/O |
Weld grinding, and blending |
| 4-1/2 X 7/8" |
16 – 120 |
A/O |
Weld grinding, and blending |
| 5 X 7/8" |
16 – 120 |
A/O |
Weld grinding, and blending |
| 7 X 7/8" |
16 – 180 |
A/O |
Weld grinding, and blending |
| 9 X 7/8" |
16 – 150 |
A/O |
Weld grinding, and blending |
| 5 X 7/8" |
16 – 36 |
S/C |
Non ferrous metal |
| 7 x 7/8" |
16 – 18, 120, 150 – 400 |
S/C |
Non ferrous metal |
| 4-1/2 X 7/8" |
24 – 80 |
Zirconium |
Heavy stock removal |
| 5 X 7/8" |
24 – 80 |
Zirconium |
Heavy stock removal |
| 7 X 7/8" |
24 – 80 |
Zirconium |
Heavy stock removal |
| 9 X 7/8" |
24 – 80 |
Zirconium |
Heavy stock removal |
| 4-1/2 X 7/8" |
24 – 80 |
Ceramic |
Carbon based alloys |
| 5 X 7/8" |
24 – 80 |
Ceramic |
Carbon based alloys |
| 7 X 7/8" |
24 – 80 |
Ceramic |
Carbon based alloys |
| 9 X 7/8" |
24 – 80 |
Ceramic |
Carbon based alloys |
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