Martin E100B18 Solid Stock Bore Type B Triple Strand Roller Chain Sprocket, 1-1/4 to 3-1/2 in Dia Bore, 7.839 in OD, 100 Chain, 18 Teeth, 1-1/4 in Pitch, Steel
Martin metric triple strand solid construction sprockets have proper spacing between chain rows. The sprockets are manufactured from high carbon steel. Martin does not stack "A" plates on multiples, but instead Martin machines teeth after the chain rows are already in place. These plain bore sprockets can easily be bored to a metric or standard size to fit your application. Keyways, set screws and hardened teeth are quick alterations that can be made.
Martin Roller Chain Sprocket, Solid Stock Bore Type B Triple Strand, 1-1/4 to 3-1/2 in Bore Dia, 7.839 in Outside Dia, 100 Chain, 18 Teeth, 1-1/4 in Pitch, 7.199 in, 5-1/4 in Hub Dia, 4-3/4 in Length Through Bore, Steel