80BS11 Sprocket With 1" Finished Bore #50 SDS Type Sprockets This 50BS43 sprocket features a

This 50BS43 sprocket features a 7/8" finished bore including a key-way and two setscrews

Sprocket Size: 50A43

40B40 sprockets with a stock bore comes with the standard 3/4" inside diameter hole with no keyway or setscrews and can be easily machine bored to custom sizes

50B51 sprockets with a stock bore comes with the standard 1" inside diameter hole with no keyway or setscrews and can be easily machine bored to custom sizes

Our 60 poly steel chain directly interchanges with other brands and is recommended to operate on stainless steel or plastic sprockets

80BS11 Sprocket With 1" Finished Bore #50 SDS Type Sprockets This 50BS43 sprocket features aThis 80BS11 sprocket features a 1" finished bore with a key way and two set screws. It is a durable, high quality, and precision sprocket with 11 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 #80 roller chain and sprocket thus preventing premature wear