For mounting on threaded shafts, these rubber expanding drums have a matching internal threaded bore. For mounting on smooth round shafts, these drums have two socket set screws. Ideal for motors, grinders, flex shafts, and bench mandrels. Rubber expansion is controlled by tightening/loosening the hex nut.

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Unit of Measure



N/A 7/8 in

Fits Shaft

N/A 0.500 in

Drum Dia. 

N/A 3 in

Drum Width 

N/A 2 in


Thread Type

N/A Right Hand

UPC Code

N/A 044861012864


N/A Catalog Page

Competitor Part Number

Alternate Part Number

N/A 4650A16
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