Martin 40B18SS Stock Bore Type B Single Pitch Roller Chain Sprocket, 5/8 in Dia Bore, 3.136 in OD, #40 Chain, 18 Teeth, 1/2 in Pitch, Stainless Steel
Stainless steel sprockets are stocked as plates with no hubs and as "B"s with a hub on one side. They are all ready to be bored or modified to fit specific applications.
Martin Single Pitch Roller Chain Sprocket, Stock Bore Type B, 5/8 in Bore Dia, 3.136 in Outside Dia, #40 Chain, 18 Teeth, 1/2 in Pitch, 2.879 in, 2.313 in Hub Dia, 1 in Length Through Bore, Stainless Steel
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