1-7/16" finished bore hubs are bored-to-size and include a keyway & 2 setscrews. All X series hubs are manufactured from 1020CD carbon steel and finished with black oxide for corrosion resistance. Our 1-7/16" weld on hubs is compatible any of our X series weld on sprockets.
It's recommended to use Low Hydrogen Electrodes for welding sprockets and hubs together.
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