140A20 Sprocket Metric Roller Chain Sprockets 10B17 sprockets with a stock

10B17 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

This 100B25 sprocket is a durable

and precision sprocket with 27 hardened teeth

Stock Bore: 1-1/2"

140A20 Sprocket Metric Roller Chain Sprockets 10B17 sprockets with a stockThis 140A20 sprocket is a durable, high quality, and precision A Plate sprocket with 20 teeth that is manufactured out of high quality steel. Something else that is notable about this sprocket is that it fully meets all ANSI Standards, which insures proper contact between the #140 roller chain and sprocket thus preventing premature wear or breakage. This sprocket is also evenly coated with black oxide, which adds resistance to to the environment and