Speedaire 21AA72 Operating Instructions & Parts Manual

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Speedaire air drills are used for maintenance, light assembly or automotive repair that require tough drilling, honing, reaming and hole sawing.
Air drills are available in both keyless and keyed chuck styles.
21AA72 21AA72
21AA75
Free Chuck
Speed Size
( RPM ) (Inch)
21AA72 1,800 3/8
21AA73 1,800 3/8
21AA74 400 1/2
21AA75 800 1/2
21AA77 2,600 1/4
21AA78 22,000 3/8
21AA79 1,500 3/8
7304
Air Drills
21AA73 21AA73
21AA77
Chuck Horsepower
Type
(HP)
keyless 0.5
keyed 0.5
keyless 0.5
keyless 0.5
keyless 0.5
keyed 0.5
keyed 0.5
09451
Version 0
05/2013
21AA72, 21AA73, 21AA74, 21AA75,
21AA77,21AA78 and 21AA79
21AA78
Hose Average Air
Size Consumption
( Inch ) ( CFM )
1/4" 3/8
1/4" 3/8
1/4" 3/8
1/4" 3/8
1/4" 3/8
1/4" 3/8
1/4" 3/8
SNC100
21AA74
21AA79 21AA79
Length Weight
( Inch ) ( Lbs )
4 7-5/16 2.5
4 7-5/16 2.5
4 8-3/4 3.6
4 8-1/4 3.1
4 8-1/4 2
4 7-13/16 1.7
4 8-1/16 2.5