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and a specific formula for weathering prevention
Dimension (Z): 31
100B12H sprockets with a stock bore comes with the standard 1" inside diameter hole with no keyway or set screws and can be easily machine bored to custom sizes
40A57 Sprocket Dimensions:
Sprocket Size: 100B8
60BS20 Sprocket With 1-7/16" Finished Bore filter_35B42-SB and a specific formula forThis 60BS20 sprocket featured a 1 7 16" finished bore with a key way and two set screws. It is a durable, high quality, and precision sprocket with 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 sprocket is that it fully meets all ANSI Standards, which insures proper contact between the #60 roller chain and sprocket thus preventing premature wear
