Quote:
Originally Posted by Lil' Lavery
Most metal suppliers should carry 1/2" steel hex shaft/bar. The tolerancing may not be identical to that used by Vexpro or Andymark hex products, though.
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It's usually pretty bad. I have a lot of not so fond memories of sanding down McMaster "1/2" hex shaft to fit. If you really don't want to wait for Vex Pro or WCP, Churo Tube from AM is probably your best bet.