40A21 Type
Picture may not depict actual tooth count

40A21 Type "A" Plate Sprocket 5/8" Stock Bore

Item ID: 40A21
Availability: 121 In Stock Nitro 40A21
Price: $6.86

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ANSI Type "A" sprockets are hubless sprockets with a stock bore.  These are also commonly referred to as plate sprockets.  All Type "A" Nitro sprockets have a black oxide finish.

Fits ANSI Chain Size: #40
Number Of Teeth: 21
Bore (D1): 5/8"
Outside Diameter (de): 3.618"
Sprocket Thickness (B1): 0.284"
Hardened Teeth: Yes (30-45 Rc)

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