100SDS12 Sprocket (QD Type) 31-Tooth Sprocket This 100BS10 sprocket features a

This 100BS10 sprocket features a 1-1/4" finished bore with a key-way and two set screws

100A30 Sprocket Dimensions

875mm pitch 10B chain and conforms to ISO and DIN dimensional standards for direct interchangeability

This 100C12 sprocket is a durable

08B17H 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

100SDS12 Sprocket (QD Type) 31-Tooth Sprocket This 100BS10 sprocket features aThis 100SDS12 sprocket is a durable, high quality, and precision sprocket with 12 hardened teeth that is manufactured to accept a SDS bushing. Sprockets that have hardened teeth last longer, perform better, 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 #100 roller chain and sprocket. Meeting strict ANSI Standards