100BS16 Sprocket With 2-3/16" Finished Bore 28-Tooth Sprocket 100B21H sprockets with a stock

100B21H sprockets with a stock bore comes with the standard 1-5/16" inside diameter hole with no keyway or set screws and can be easily machine bored to custom sizes

This 100B25 sprocket is a durable

100B35 sprockets with a stock bore come with the standard 1-1/4" inside diameter hole with no keyway or setscrews and can be easily machine bored to custom sizes

100BTB19 Sprocket Dimensions

the 08B K1 attachment has a bent tab on both sides with one hole each for mounting

100BS16 Sprocket With 2-3/16" Finished Bore 28-Tooth Sprocket 100B21H sprockets with a stockThis 100BS16 sprocket features a 2 3 16" finished bore with a key way and two set screws. It is a durable, high quality, and precision sprocket with 16 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 100BS16 sprocket is that it fully meets all ANSI Standards, which insures proper contact between the #100 roller chain and sprocket thus preventing