Dremel 100 Operating/Safety Instructions Manual page 16

Wire Brushes
For best results wire brushes
should be used at speeds not greater than
15,000 RPM. Refer to Operating Speeds
section for proper tool speed setting.
Bristle Brushes
Brushing Pressure
Dremel Accessories (Cont.)
results polishing accessories should be
used at speeds not greater than 15,000
RPM.
Polishing Accessories
Aluminum Oxide Abrasive Wheels
For best