Martin 100A11 Stock Bore Type A Single Pitch Roller Chain Sprocket, 1-1/4 in Dia Bore, 5.007 in OD, #100 Chain, 11 Teeth, 1-1/4 in Pitch, Steel
A Plates are flat sprockets with no hub extension on either side. They can be altered for your application with bolt holes, custom bores, hardened teeth or special hubs welded to them.
Martin Single Pitch Roller Chain Sprocket, Stock Bore Type A, 1-1/4 in Bore Dia, 5.007 in Outside Dia, #100 Chain, 11 Teeth, 1-1/4 in Pitch, 4.437 in, 3-9/16 in Hub Dia, 0.692 in Length Through Bore, Steel
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