Dremel 8220 - Speed Settings (Continued); Tungsten Carbide Cutters and Router Bits Speeds; Grinding Stones and Abrasive Wheels Speeds

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Speed Settings (Continued)
Note: Each number settings listed in the speed charts = x 1,000 RPM
* Speed for light cuts, Caution - burning on deep grooves.
• Depending on cutting direction relative to grain.
Tungsten Carbide Cutters
Catalog
Number
Soft
Wood
Hard
Wood
Laminates
/Plastics
Steel
Aluminum,
Brass, etc.
Shell/
Stone
Ceramic Glass
9901, 9902, 9903,
9904, 9905, 9906,
9912
25-35 18-24 9-11 25-35 12-17 18-24 18-35 18-35
9909, 9910, 9911 - - - - - 18-24 18-35 18-35
High Speed Router Bits
Catalog
Number
Soft
Wood
Hard
Wood
Laminates
/Plastics
Steel
Aluminum,
Brass, etc.
Shell/
Stone
Ceramic Glass
612, 640 25-35* 18-24• - - - - - -
615, 617, 618 25-35* 25-35• - - - - - -
650, 652, 654 25-35* 18-24• - - - - - -
Silicon Carbide Grinding Stones (blue/green)
Catalog
Number
Soft
Wood
Hard
Wood
Laminates
/Plastics
Steel
Aluminum,
Brass, etc.
Shell/
Stone
Ceramic Glass
83142, 83322,
83702, 84922,
85422, 85602,
85622
- - 12-17 25-35 9-11 12-17 25-35 25-35
Abrasive Wheels / Points
Catalog
Number
Soft
Wood
Hard
Wood
Laminates
/Plastics
Steel
Aluminum,
Brass, etc.
Shell/
Stone
Ceramic Glass
516 4-6 4-6 - 18-24 12-17 - - -
500 4-6 4-6 - 18-24 9-17 - - -
EZ541GR - - - 12-24 9-17 - - -
Aluminum oxide grinding stones (orange/brown)
Catalog
Number
Soft
Wood
Hard
Wood
Laminates
/Plastics
Steel
Aluminum,
Brass, etc.
Shell/
Stone
Ceramic Glass
541, 903, 911, 921,
932, 941, 945, 952,
953, 954, 971, 997,
8153, 8175, 8193,
8215
25-35 25-35 - 18-24 9-11 12-17 25-35 -
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