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Carbon-steel material for machine structures It begins to delete and is specification.
This product has prepared holes only.
There are no shaft holes, so please make a hole of any size within a range of the maximum shaft hole diameter.
Note that drilling, key-way milling, etc. is not supported.
Groove Diameter (phi mm)
Approximate Weight (kg)
Pilot Hole Diameter (phi mm)
Sprocket B type (piece hub)
Number of Gears
Outside Diameter (Do)(phi mm)
In order to avoid interference with a chain, the slot is established in the hub perimeter.
It is a reliable manufacturer and I have been using parts here for a long time. I am satisfied with this product satisfactorily. Since the shank part is a highly versatile shape, I am happy that it can be processed and used in my favorite form. However, how to hold the core on the lathe while cutting the core during shank processing is a problem.