120BS21 Sprocket With 2" Finished Bore 84-Tooth Sprocket While the phosphate coated and

While the phosphate coated and then painted finish adds corrosion resistance to the 10C105J sheave

08B30H sprockets with a stock bore comes with the standard 16 millimeter inside diameter hole with no key-way or set screws and can be easily machine bored to custom sizes

Sprocket Size: 08B13

100BS17 2 7/16" Finished Bore Sprocket Dimensions

Sprocket Size: 120F42

120BS21 Sprocket With 2" Finished Bore 84-Tooth Sprocket While the phosphate coated andThis 120BS21 sprocket features a 2" finished bore with a key way and two set screws. It is a durable, high quality, and precision sprocket with 21 teeth. Something that is notable about this 120BS21 sprocket is that it fully meets all ANSI Standards, which insures proper contact between the #120 roller chain and sprocket thus preventing premature wear or breakage. This sprocket is also black oxide coated which increases resistance to the environment