Nitro splined sprocket hub with a 1-1/4" X 6 spline bore is a premium quality, precision machined hub. All X series hubs are manufactured from 1020CD carbon steel and finished with black oxide for corrosion resistance. Our 1-1/4" X 6 splined weld on hub 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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