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  1. Al Smith

    Hardened bolts or not

    6010 is the old standard---if you have a DC machine that is .They do make an AC /DC 7018 by the way .One manufacturer is Forney . 6011 is pretty much the standard "root pass " rod for a buzz box .6013 they call "farmer rod " because about anyone can weld with it as it doesn't freeze nearly as...
  2. Al Smith

    Hardened bolts or not

    Keep in mind that a threaded fastener [bolt ] acts much like spring under tension . As such any fastener has to be properly torqued to get the desired performance .An under torqued fastener will fail more often than one with proper torque .This is basically taking the fastener to the yield point...
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