100BS24 Sprocket With 2-7/16" Finished Bore Chain Coupling 08B20H sprockets with a stock

08B20H sprockets with a stock bore comes with the standard 12 millimeter inside diameter hole with no key-way or set screws and can be easily machine bored to custom sizes

100E21 sprockets are manufactured to accept a E type QD bushing which

Outside Diameter: 11

Dimension (L2): 4"

100BS24 Sprocket With 2-7/16" Finished Bore Chain Coupling 08B20H sprockets with a stockThis 100BS24 sprocket features a 2 7 16" finished bore with a key way and two set screws. It 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 100BS24 sprocket is that it fully meets all ANSI Standards, which insures proper contact between the #100 roller chain and sprocket thus preventing