100B15 Sprocket With Stock Bore Metric SK2 Attachments and precision 48 tooth sprocket

and precision 48 tooth sprocket that is manufactured to accept a 3020 bushing

Length Thru Bore: 4-1/2"

Keyway Size: 3/8" X 3/16"

100BS8 1 1/4" Finished Bore Sprocket Dimensions

This 100BTB22 sprocket is a durable

100B15 Sprocket With Stock Bore Metric SK2 Attachments and precision 48 tooth sprocketThis 100B15 sprocket is a durable, high quality, and precision sprocket with 15 hardened teeth. Sprockets that have hardened teeth last longer and are much more durable than those that don't. Something else that is notable about this 100B15 sprocket is that it fully meets all ANSI Standards, which insures proper contact between the #100 roller chain and sprocket thus preventing premature wear or breakage. This sprocket is also fully black oxide coated