The following charts are recommended speeds for each accessory and material type.
Speed Settings: 2 (5,000 - 8,000 RPM)
8 (22,000 - 27,000 RPM)
Model
Soft
Number
Wood
191
10
420, 426
6-10
Grinding / Sharpening Accessories: Aluminum Oxide (Orange/Brown)
932, 8193
—
83322
—
414, 422,
—
429
425
—
407, 408,
411, 412,
6-8
413, 432
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page heading
Speed Settings
Hard
Laminates/
Steel
Wood
Plastics
Carving / Engraving Accessories
8-10
4
6
Cutting Accessories
6-10
4-6
8-10
—
—
8-10
Grinding / Sharpening Accessories: Silicon Carbide (Blue/Green)
—
—
—
Cleaning / Polishing Accessories
—
—
8-10
—
—
6-8
Sanding Accessories
6-8
6-8
6-8
4 (9,000 - 15,000 RPM)
10 (28,000 - 35,000 RPM)
Aluminum,
Shell/
Brass, etc.
Stone
10
—
10
6-10
6-8
—
—
6-8
6
6
6-8
—
6-8
6-8
6 (16,000 - 21,000 RPM)
Rated Speed
(Maximum
Ceramic
Glass
Operating Speed
of Accessory)
—
—
35,000
—
—
35,000
—
—
35,000
6-8
8
35,000
6
6
35,000
—
—
35,000
—
—
35,000
4/5/23 7:05 AM
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