415 B 9 Tooth Sprocket 5/8" ID with a 3/16" key way, two set screws

Sprocket 415 B 9 Tooth 5/8" ID with a 3/16" keyway, two set screws.  These will be plain machined finish or BLACK Oxide.

We took a # 41 sprocket and milled down the teeth to make a 415 that will use 1/2" x 3/16" chain.

Best to use 415 chain (1/2" pitch x 3/16" width) These sprockets can also be used with #41 Chain (1/2" x 1/4") and #40 Chain (1/2" x 5/16")