Speedaire 21AA83 Operating Instructions Manual

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Speedaire heavy duty angle grinders with high performance motor are designed for efficient grinding. Selected models feature a spindle
lock design and adjustable swivel guard, rubber comfort grip and with speed governor. Ideal for weld preparation, rust removal or deburring
steel, cast iron or aluminum.
21AA83
21AA90
Free Spindle
Speed
( RPM ) (Inch)
21AA83 10,000 3/8-24
21AA89 11,000 3/8-24
21AA90 11,000 3/8-24
21AA91 8,500 3/8-11
7306
Wheel
Horsepower
Size Diameter
(HP)
(Inch)
0.8
4
4 0.7
4-1/2 0.7
7
09451
Version 0
05/2013
21AA83, 21AA89, 21AA90 and 21AA91
21AA89
21AA91
Hose
Size
( Inch )
1/4"
3/8
1/4" 3/8
1/4" 3/8
1 3/8" 3/8
Average Air
Length
Consumption
( Inch )
( CFM )
4 9-3/8
6 9
6 9
6 13-3/4
SNC100
Weight
( Lbs )
4.4
4
4.1
7.7