Quote:
Originally Posted by sdcantrell56
Is 7068 or 7075 really necessary for a hex shaft that is short in length and supported on both ends. I would think that it would be plenty strong enough since you dont have to worry about a keyway.
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I really doubt 6061 hex shaft would hold up in that situation; I haven't run the numbers, but I doubt it would work well in a place like the shafts in a drive.