1-1/8" Hex Shaft Coupler 08B B-Hub Sprockets This 100BTB30 sprocket is a

This 100BTB30 sprocket is a durable

100B10H 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

Sprocket Size: 100B39

Bore: 5/8"

This sprocket is also black oxide coated which increases resistance to the environment and early rust build up

1-1/8" Hex Shaft Coupler 08B B-Hub Sprockets This 100BTB30 sprocket is aThis 1 1 8" hex shaft coupler is manufactured from high quality 1018 carbon steel with a black oxide coating. Hex shaft couplers are so good because the 1018 steel ensures extreme durability, while the hexagonal bore design provides high torque ratings, and the black oxide coating provides corrosion resistance. We also stock a full line of hex shafting, hex bearings, hex shaft collars, and hex hubs for weld on sprockets. 1 1 8" Hex Coupler Dimensions