There are many ways to make arbors.
This method is quite simple and straight forward.
The small amount of bronze brazing required can easily be done with MAPP gas or an equivalent gas torch.
There's been a couple simple arbors lately, this one is also good.
But I prefer blotters under driving faces of grind wheel flange and washer. Especially due to fact little ones won't pass a 'ring test' like larger sizes, and operate in substantially higher RPM ranges. Life threatening? No, but could wreck a properly sized finish diameter......
...we'll learn more by wandering than searching...
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