100B24 Sprocket With Stock Bore 100B20 Sprockets This 100BS9 sprocket features a

This 100BS9 sprocket features a 1" finished bore with a key-way and two set screws

Our superior 08B A1 attachment connecting link is designed explicitly for metric 12

100B16H 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

and precision sprocket with 27 hardened teeth

100B24 Sprocket With Stock Bore 100B20 Sprockets This 100BS9 sprocket features aThis 100B24 sprocket is a durable, high quality, and precision sprocket with 24 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 100B24 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