Internally slotted rubber drum expands with centrifugal force to keep abrasive belts tight while grinding. Use with 3M™ Inline Sanders (PN28338 and PN28339) for generating straight line scratches for finishing stainless steel and other metals.
Expander Wheel has 1/4 in radius to eliminate edge cuts and a 5/8 in arbor hole. For use with 3-1/2 in x 15-1/2 in 3M™ Coated Abrasive belts and 3M™ Surface Conditioning belts. Requires #3 Wheel Adaptor Kit (PN45038) to mount to 3M™ Inline Sanders.
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